Rotary Rock Tumbler Instructions

Rotary Rock Tumbler Instructions The most common type of rock tumbler is a rotary drum tumbler. It polishes rocks by simulating the action of the ocean waves. Rotary tumblers polish rocks much more quickly than the ocean, but it still takes some time to go from rough rocks to polished stones! Expect the process to take at least a month from start to finish. Use these instructions as a starting point for your tumbling. Keep records of the type and quantity of rock and grit/polish, and duration of each step. Use this information to refine your technique for the best results. Rock Tumbler Materials List Rotary tumblerRocks (all the same approximate hardness in a load)Plastic PelletsSilicon Carbide Grits (You may add a 400 mesh SiC step, if desired, before polishing)Polishing Compounds (e.g. alumina, cerium oxide)Lots of Water How To Use a Rock Tumbler Fill the barrel 2/3 to 3/4 full of rocks. If you dont have enough rocks, you can add plastic pellets to make up the difference. Just make sure to use those pellets only for coarse polishing and use new pellets for the polishing stages. Keep in mind that some plastic pellets float, so make sure you add them to the proper volume before  adding water.Add water so that you can see it between the stones but do not completely cover the stones.Add grit (see chart below).Make sure your charged barrel falls within the weight allowance for the rotor to be used.Each step runs for at least a week. For the first step, remove the barrel after 12-24 hours and open it to release any gas buildup. Resume tumbling. Dont be afraid to open the barrel periodically to make sure a slurry is forming and to check the progress of the process. The tumbler should have a uniform tumbling sound, not sound like tennis shoes in a dryer. If the tumbling is not uniform, check the level of the load, formation of slur ry, or mixture of rock sizes, to make sure these things are optimal. Keep notes and have fun! Let the rough grind (60/90 mesh for hard stones, start with the 120/220 for soft stones) run until all of the sharp edges have been knocked off the stones and they are pretty smooth. You can expect to lose about 30% of each stone during the tumbling process, with almost all of the loss during this first step. If the stones are not smoothed after 10 days, you will need to repeat the step with fresh grit.After a step has been completed, rinse the stones and the barrel thoroughly to remove all traces of the grit. I use an old toothbrush to get into the hard-to-reach areas. Set aside any stones that are broken or have pits or cracks. You can add them to the first step of the next batch of stones, but they will diminish the quality of all of your stones if you leave them in for the next step.For the next step, you again want the rocks to fill the barrel 2/3 to 3/4 full. Add plastic pellets to make up the difference. Add water and grit/polish and proceed. The keys to success are making cer tain there is no contamination of steps with grit from the previous step and avoiding the temptation to move on to the next step too early. Barrel Grit Mesh 60/90 120/220 Prepolish Polish 1.5# 4 T 4 T 6 T 6 T 3# 4 T 4 T 6 T 6 T 4.5# 8 T 8 T 10 T 10 T 6# 10 T 12 T 12 T 12 T 12# 20 T 20 T 25 T 25 T Helpful Tips for Perfectly Polished Rocks Do not overload your tumbler! This is a leading cause of belt breakage and motor burn-out. When in doubt, weigh your barrel. A barrel for a 3-lb motor should not exceed a weight of 3 pounds when charged with rocks, grit, and water.Oil the tumbler bushings with a single drop of oil, but do not overdo it! You do not want oil on the belt, as this will cause it to slip and break.Resist the temptation to tumble rocks with cracks or pits. Grit will get into these pits and contaminate subsequent steps, ruining the polish of the entire load. No amount of scrubbing with a toothbrush will remove all of the grit inside a pit!Use a balanced load that includes both large and small rocks. This will improve the tumbling action.Make sure all rocks in a load are of the same approximate hardness. Otherwise, the softer stones will be worn away during the polishing process. An exception to this is when you are purposely using softer stones to fill/cushion a load.Dont wash grit down the drain! It will cr eate a clog that is impervious to drain cleaner. I rinse the grit steps outside using a garden hose. Another option is to rinse the grit into a bucket, for later disposal somewhere other than your plumbing. Dont reuse grit. Silicon carbide loses its sharp edges after about a weeks tumbling time and becomes useless for grinding.You can reuse plastic pellets, but take care to avoid contaminating the polishing stages with grit. Use separate plastic pellets for these stages!You can add baking soda, Alka-Seltzer, or a Tums to a load to prevent gas build-up.For smooth river rocks or for any softer stones (e.g. sodalite, fluorite, apatite), you may omit the first coarse grit step.For softer stones (especially obsidian or apache tears), you want to slow the tumbling action and prevent the stones from impacting each other during polishing. Some people have success adding corn syrup or sugar (twice as much as the amount of prepolish and polishing agent) to thicken the slurry. Another option is to polish the stones dry (as in no water) with cerium oxide and oatmeal. Are you interested in using a vibratory tumbler to polish rocks? Then try these instructions instead.

Discussion Movie Review Example | Topics and Well Written Essays - 250 words

Discussion - Movie Review Example The French flag on her hand reinforces values of revolution into the revolutionists. The flag carries message of equality, fraternity, and liberty amid struggle for change of governance system in France. Pictures on the foreground of deceased members of both sides of the political divide only serve to explain how catastrophic the effects of the revolution were. The paintings of dead bodies, most probably in their bedroom, also point to the severity of the adverse impacts of the revolutionary struggle. Furthermore, there is a sense of absolute unity portrayed by Delacroix in the painting. Beside the allegorical figure, there are two men; one is a member of the middle-class, and the other is an artisan. The two men, although not belonging to the same class, fight together and applauds the new monarch thereby portray the superiority of the people. On the paintings extreme right, the twin towers of Notre Dame rises above the thick battle smoke. The scene further explains what ensued during the revolution and the

Marketing Essay Example | Topics and Well Written Essays - 500 words - 37

Marketing - Essay Example Product differentiation is becoming more and more of a factor in restaurant services promotions. Restaurants like Houlihan’s can start out with a differentiation that is more externally based, relying on the uniqueness of its services to separate it from competitors. But due to marketing related factors such as market saturation, the company may also have to differentiate its services internally to keep up with an increasing focus on segmentation of consumers and product differentiation to meet this segmentation. Thus, Cebrzynski’s article shows how a restaurant should also move laterally to provide more choices to the consumer. Houlihan’s, like other restaurant services, should also show an increasing attention to service quality as well as incorporating extra-environmental trends such as vending into its traditional service line options of two differentiations.From a quality assurance standpoint of marketing and sales, Cebrzynski's article shows how restaurant company marketing success has thus far mainly been due to profitable and well-timed expansion and the use of clearly-defined segmentation bases to which marketing strategies are applied with a high degree of innovation. The company has established inroads into a frustrated customer base beginning with its expansion into consumer and environmentally friendly products. The company researched its customer base to find their biggest complaints and worked to serve them so that they would enjoy a higher degree of customer satisfaction and loyalty.

A Review on The Keita L'Heritage Du Griot Essay

A Review on The Keita L'Heritage Du Griot - Essay Example Others have already been assimilated into the western culture or the American way of life and have lost their identity as members of their original community. As such, they seek to spread the spirit of cosmopolitanism everywhere. This may be seen in the way the Europeans assimilated African societies and later the Africans chose to adopt almost everything that is western (Baaz and Palmberg 29). Others have imitated the western culture to some extent but retained their traditions when it comes to certain rituals that favor traditional points of view. The current globalization has made it difficult for many cultures to maintain their traditions and this has strained many relations. Those who live in rural areas are seen to be the greatest adherents of traditions and customs in many societies. However, the migration that has led many to leave the rural areas to the urban areas in search of greener pastures has come with its constraints (Howard 80). Many have abandoned their cultures and even forgotten about their traditional roots. They have been assimilated into other cultures that have come as a result of the different people that inhabit many of these urban centers. The media has also played a considerable role in eroding many beliefs that people held years ago in the name of civilization (Merlan 105). However, there are others who are termed as the indigenous people. These are groups of people who are said to have stuck to their traditional roots and continue to practice their cultures based on their historical ties that are said to have existed before colonization. These people maintain their cultures despite the big divide between theirs and the mainstream culture as well as political systems (WGIP 2). They have maintained their distinct social, economic and political systems that have remained relevant to them despite the civilization that has taken place around them. Many governments have tried to assimilate them into the mainstream societies but have met huge oppositions, and this has led to mistrust amongst the two groups (Clifford 93). For instance, the Aborigines of Australia have managed to get the backing of the Australian government after years of mistrust and arguments over their territorial boundaries. The Maori of New Zealand have also got the backing of the government and have even contributed in some nation building through their cultural activities (WGIP 3). Therefore, these indigenous persons are not a threat but an excellent way of maintaining national unity and peace. Governments need to understand the indigenous people, and should allow them to conserve the natural resources since they understand the importance of sustainable environmental practices. However, the problem that arises is the system that the government can utilize as a way of identifying these individuals. Defining the term may be quite challenging since different schools of thought bear different definitions (WGIP 3). However, experts in anthropology a dvise that it would be better to identify rather than define these people. If people would come forward and identify themselves with these communities and the communities accept the member as their own, it

Political Parties in the New Era Essay Example | Topics and Well Written Essays - 2000 words

Political Parties in the New Era - Essay Example Many studies have shown that the Political Parties of today have changed significantly in the past few decades, both in industrialized countries and in the developing nations (third world countries). The changes have inadvertently resulted in the weakening of connections between citizens and the state, however, there remains widespread consensus that political parties are essential elements in democratic societies. A statement made 50 years ago by E.E. Schattschneider was that, "Political parties created democracy and that modern democracy is unthinkable save in terms of parties. As a matter of fact, the condition of parties is the best evidence of the nature of any regime. The most important distinction between democracy and dictatorship can be made in terms of party politics. The parties are not therefore Recently, Alan Ware viewed political parties as pervasive elements in contemporary societies saying that, "In contemporary states it is difficult to imagine there being politics without political parties. Indeed, in only two kinds of states today are parties absent. First, there are a few small, traditional societies, especially in the Persian Gulf, that are still ruled by the families who were dominant in the region they control long before the outside world recognized them as independent states. Then there are those regimes in which parties and party activities have been banned; these regimes are run either by the military or by authoritarian rulers who have the support of the military."2 In consonance thereto, here are some prevailing views made by some of the participants in a conference convened by the National Endowment for Democracy's International Forum for Democratic Studies where in attendance were many of the world's leading political parties scholars and practitioners held in Washington DC to "Address the Current and Future Prospects of Political Parties." One of the prevailing views made as articulated by Juan Linz stating that," Today, in all countries of the world, there is no alternative to political parties in the establishment of democracy. No form of nonparty representation that has been advocated has ever produced a democratic government. Thus we are faced with a world of democracies based on parties." However, there were conflicting views made in the same forum to the effect that political parties are necessary for democratic development. Phillipe Schmitter on his part provided the most critical statement saying that, " Political parties are not what they used to be. They no longer structure electoral choices as clearly and decisively, command citizen attachments as passionately, form distinctiveness, or aggregate interests as widely and explicitly as they once did. Clearly, political parties everywhere, both in the industrialized countries and in the developing world, are becoming less and less able to Serapio 3 perform these core functions. In short, they are no longer indispensable for the consolidation and perpetuation of democracy." In view of the foregoing facts let us now analyze

Bronfenbrenner Ecological Systems Theory

Bronfenbrenner Ecological Systems Theory The microsystem is the most influential system because the child has direct interaction with these individuals; that interaction occurs on a consistent basis over an extended period of time (Brofenbrenner, 2004). Family is the most significant relationship of the microsystem; they play an intricate part in the ecological human development. The most time is spent at home with the family; they provide shelter and safety, and also provide emotional support for the child. The parent for example, interacts with the child on a daily basis, they provide a safe and healthy relationship and an environment for them to grow and prosper. The way the parent plays with the child, teaches them, and communicates with them has a lot of influence on their development. The parenting style a child receives paves the way in their ability to communicate with others, their self-esteem, and the attitude and behaviors they exude. The main parenting styles are authoritarian, authoritative, permissive, and non-involved. The authoritarian parent is strict and demanding; this creates a child that grows up to behave withdrawn, fearful, and distrustful of others. On the opposite end of the spectrum is the permissive parent. The child raised in a permissive household is more likely to be aggressive, impulsive, and have little self-reliance. The healthy balance between the two styles is the authoritative parent who raises a content, cooperative, and self-reliant child (Berns, 2010). The parent gives the child the ability to create secure attachments with others and to have a healthy and positive disposition. The emotional connectivity of this relationship is a direct reflection of a childs ability to connect and communicate with all other systems. Parenting styles are not the only ways that family can influence development; family structure also has a great impact. The nuclear family consists of a mom, a dad, and the children, but not all households are structured this way. Divorce is an unfortunate reality in this day and age and the adaptation plays a large role for the child. Not only does the child not get to live in a household that has both parents which provides a healthy surrounding and assures the child of love, but they may have to listen to the consequences of how each parent deals with the divorce itself. Counseling, mediation, custody battles, and fighting are all situations that the child may be surrounded by. The financial consequences will affect the family and the child would not live in the same lifestyle as they would if both parents were together because the income would be cut in half. Peers, community, and schools also affect the child. The peer groups help the child gain independence and discover their sense of self. Negative experiences with peers such as bullying can hurt the childs self-esteem, affect how they interact with their others, and their ability to communicate and socialize with their peers with ease. School is another very important relationship. This gives the child a chance to learn the fundamentals needed as an adult and to help them develop different skills and appropriate behavior. Every child learns differently; they may be an auditory, visual, spatial, or kinesthetic learner. It is the teacher and schools responsibility to discover this and take the best course of action to implement and teaching style that works best for the child. The second system that influences development is the mesosystem. Mesosystems may be described a links in a chain. They consist of linkages and interrelationships that exist between two or more of the individuals microsystems. These interrelationships involve a variety of settings that the child is immersed in; the influences that bind us together (Feldman, 2008). Examples of this system may be the linkage between family and peers, family and school, school and community, and so on. Schooling is the perfect example of the mesosystems linkage between family and school. The more involved the parent is with the childs school, increases the likelihood of that child excelling in school, receiving higher grades, and attending college in the future. The involvement that the family has with the childs learning before they enter school creates a positive attitude towards their future learning. When it comes to the childs relationship with school, the more perceptive that the family and teachers are in their learning with affect their educational experience. They will learn how to complete tasks, problem solve, and understand rewards and consequences. There is also an important linkage between school and the community. Higher funded schools have more resources available to students; these resources extend the learning process. More books, informative television programs and movies, supplies, crafts, and the ability to go on field trips may provide a more stimulating environment and positive outlook on a childs involvement and learning at school. Community support and donations can help increase learning in the classroom. The exosystem is the third system of Bronfenbrenners theory of human development. These influences are indirect; the child itself is not an active participant, however it does have an impact on an active member of  their microsystem. This may consist of the parents career or financial situation, political systems, social support networks, etcetera. As stated above, exosystems have an indirect affect on the child through career, their socioeconomic status, or the government. A parents socioeconomic status affects the child because they may not have the means to purchase educational materials or live in a nice home, if they have a home at all. Children born into poverty statistically have lower self-esteem, are less likely to excel in school or are more likely to drop out, and they are more susceptible to violence and crime. A parents job may also influence a child indirectly. A parent that has to travel a lot for work or stay late hours must place their child in non-parental child care. Different forms of this non-parental care will affect that child differently. There are child care centers, family day cares, and in-home care of a nanny that may be used to watch over the children. The accreditations are different for each type, and there are different programs, such as health, nutrition, and learning programs. Although there are many different options that the family has when they do not have the ability to stay at home with the child, but it is still no substitute for being cared for by their parent. Although sometimes a parent has no choice but to place their child in a day care program, there can be some developmental consequences to this. The child will be able to socialize with peers more easily, but they tend to be less cooperative and unresponsive with adults. The longer the child stays in non-parental care, the more likely they are to develop insecure attachments, are at risk for problems with emotions and in behavior. They are also more likely to be aggressive and defiant. The final system involved is the macrosystem. This system is societal and has a larger context involved in culture. This type of system influences the developing child in a much broader context; the beliefs of the family and their lifestyle, education, religion, and mass media. What society places as the social norms, expected roles, and what a relationship is supposed to look like. Macrosystem influences come from cultural views in society. Views of roles, such as gender roles, have a set of associated behaviors that are expected in that individual. A boy must be a strong provider and shouldnt cry, or a girl should be a nurturer and domesticated are examples of these gender roles inflicted on society. Different values and lifestyle are also a large influence to that child. Believing in the necessity of owning a large home, having expensive cars, or that as adults, they need to be married with a white picket fence and 2.5 children. Morals and values stem from the familys beliefs and religious law; although sometimes the religious laws coincide with federal. Religions such as Catholicism, Lutheranism, Buddhism, Hinduism, and Atheism, are all extremely different from one another and go along a different belief system with different sets of values which influence the individual. Children that grow up believing in some form of Christianity may have different values than a child that grew up in an Atheist household. Mass media and culture are intertwined, but the influence of media is widespread and comes in a variety of forms; screen media, print media, audio media, and interactive media. Media influences value, beliefs, attitudes, and behavior explains Berns (2010, pg 321). At least one form of media can be found basically anywhere and is used to communicate and spread information to a large group of people simultaneously. Screen media that comes in television form spreads so quickly and easily influences young and impressionable minds. In some respects the exposure can be a good thing; it is mentally stimulating, can be educational and useful in a classroom to help students understand information in a different way. Programs for younger children such as Dora the Explorer and Blues Clues are a great way to teach young children colors, numbers, mathematics, and linguistics. Unfortunately there are downsides to this. Not all programs are suitable for young children; they may contain graphic viol ence, foul language, and sexually explicit material that is inappropriate for this age group. This information can ingrain the idea of what life should be like or how the child should behave, this sets up negative associations and roles. Violent and graphic material could result in negative behaviors such as aggression or bullying others, it may also cause the childs imagination to run wild which may be scary, exciting, or intimidating for the child. Too much time in front of the television, or focused on any type of media really, can take away from time spent with the family and engaging in family activities, or it can also affect physical activity. Print media is found in books, newspapers, magazines, and articles. Print media is beneficial because it enhances language and reading skills, it helps with comprehension, and overall cognitive development. Children may understand the sense of who they are because of all the stories and tales they read. A downside to this is that the ch ild may confuse negative actions and material with reality and fantasy. Just as with screen media, print, audio, and interactive media instill the ideas behind different stereotypes; this can be a major concern for problems in the future and self-esteem. Overall between all forms of media there are positives and negatives. They increase cognitive functioning and development, but children are impressionable and graphically violent and sexually explicit material is not good for young children and should be monitored by the parent. It is now apparent that ecological systems affect development Urie Bronfenbrenner was correct in his theory of the bioecological model of human development. There is significant data to show how influential the four systems influence a child. The microsystem consists of close intimate relationships of those in direct contact with the child; they are involved on a consistent basis and appear to be the most influential relationship. Family, peers, school, and the community are all examples of a microsystem. They all have a large impact on the childs socialization skills. Because a child spends so much time with their parents, this is the foundation for success. Teaching their children early what behaviors are acceptable or not, having a comforting and balanced parenting style will really help the child be cooperative, self-reliant, and content. Placing a strong focus on the importance of academics will help the child to succeed in school, also choosing the correct school to help the st udent learning in an environment suitable for their needs. Peers have a massive impact on the childs communication and interaction with others so its important that the parent keep positive influences around that child. The microsystem is the primary system of influence so keeping secure, positive, healthy relationships will help the childs development as they begin to feel the effects of the other systems. Like the links in a chain, the mesosystem combines the importance of the  impact that the microsystems have on each other. Just as school and family influence a child, the relationships between the two systems also have a direct impact on the child. This does not only consist of the two relationships, but all relationships in the microsystem. The indirect affect of the exosystem, such as the stressors of a parents career, will have its own impact. Long hours at the job can result in the child being enrolled in some sort of non-parental child care. The type of care provided coul d benefit the child in their education and learning skills, but may also have a negative impact on their emotional comfort and attachment caused by the lack of the parent being around. Finally, the macrosystem is the combination of culture, religion, mass media, and other influences that are widespread. Mass media has many benefits to the childs development. Media is mentally stimulating, it can increase imagination, and teach the child different skills such as language, communication, mathematics, colors, and other skills. Parents do need to monitor the media that a child does interact with. The graphic violence and sexually explicit material can be damaging for young and influential minds. They can create different stereotypes that can affect the way the child socializing with others, or their sense of self. The more time spent around different forms of media can take away from the quality time spent with the family, and can decrease the amount of physical activity for the child. Overall, the four different systems involved in Bronfenbrenners bioecological model of human development massively impact the socialization and cognitive development of a child.

Flaws In Twains Adventures Of Huckleberry Finn :: essays research papers

Flaws in Twain's "The Adventures of Huckleberry Finn" Mark Twain's novel The Adventures of Huckleberry Finn is by any means a classic. However, there are several flaws. First of all the coincidence that everything happens with in my mind detracts some from the story. The other major problem is that the book seems to drag on and on the closer you get to the end, as if Twain had a page quota to fill and was not worried about the story. The other problem brought up on our hand-out was Huck's lack of seriousness in what was a very serious situation for Jim. As for the coincidence part, it appears most obviously as you read towards the end. For example Huck ends up at Aunt Polly's, and I was thinking, yeah...right those chances are about one in a million. And then after Huck tells Aunt Polly that he is Tom, Tom shows up...uh-huh, I bet. It is things such as those I just mentioned that make it very difficult for me to read a book without becoming frustrated. It is probably because I am used to real life and like it or not real life is just not that perfect. My other gripe was that Twain seems to ramble on and on and on an..... To me it seems as if the story that he was writing became faint shortly after the time when Huck says, â€Å"It's me. George Jackson, sir†(pg. 95). I do have to give him that the feud was interesting filler, but you can only take so much filler. Then when John Wayne (The Duke) and Elvis (The King) come along there seem to be four or five stops along the river that except for one little detail, are the same. Please excuse the jump back, but how coincidental is it that you have a Duke and a King on the same raft in the middle of the Mississippi river (yes I do know they are not really royalty but that does not matter)? Even during all of this complaining I have done I did find humor in such things as when Huck was observing some local â€Å"loafers† and their discussions about borrowing and lending chewing tobacco. â€Å"Here, gimme back the chaw and you take the plug.† (pg. 138). I can just picture four or five guys laying around chewing tobacco with spit/tobacco juice running down their chins, probably in dirty overalls with no shirts on underneath and boots, to complete the look, three or four days of beard waiting to be shaved, and oh yeah, a nice old straw