In 1947‚ One hundred eleven men were killed in an explosion that took place at the Centralia No 5 mines located in the state of Illinois. The explosion was caused by highly explosive coal dust that was ignited by an explosive charge. During that time‚ Driscoll Scanlan was one of l6 Illinois state mine inspectors‚ appointed by Governor Green. He was given the responsibility of policing the mines as well as the operators. Additionally‚ it was his duty to make sure that the company’s was in compliance
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ABSTRACT Title: Extract of Squash Seeds as an Organic Rust Inhibitor Researchers: Aguilar‚ Sandino Michael Angelo Alejo‚ Gymboy‚ Agripa‚ Cyril Ann‚ Baloloy‚ Alyssa Mae‚ Zamudio‚ Catherine Corrosion is the phenomenon of a material as a result of its interaction with its environment‚ which is applied mostly to metals particularly to their reaction with oxygen. Rust inhibitor that when added to liquids decreases the corrosion rates of a material. The researchers proposed for a rust inhibitor
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As Ernest Hemingway said: “There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.” And that’s‚ to my mind‚ the way every person should follow. I am Yang Qi.It is how I try to live‚ always improving and getting better. Therefore‚ to be pretty honest with myself‚ I decide to do the thing I think I cannot do; I’ve concluded that good and integral qualities of my nature are positive attitude‚ thoughtfulness for other people‚ and cheerfulness
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Social responsibility is an ethical or theory that an entity‚ be it an organization or individual‚ has an obligation to act to benefit society at large. Social responsibility is a duty every individual or organization has to perform so as to maintain a balance between the economy and the ecosystem. A trade-off always[citation needed] exists between economic development‚ in the material sense‚ and the welfare of the society and environment. Social responsibility means sustaining the equilibrium between
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HEAT TREATMENT OF COPPER AND COPPER ALLOYS COPPER AND COPPER ALLOYS: Copper and its alloys are widely used in many products that are used in our everyday life. They have excellent properties such as electrical and thermal conductivity good strength. They have high corrosion resistance and fatigue resistance. Copper is a non-magnetic material. Pure Copper is soft and used widely in wires and cables and is extensively used for passage of electricity. Copper is used in the building construction.
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3rd‚ 2009 Lab Report #3: Copper Cycle Abstract: The purpose of the experiment is to cycle solid copper through a series of five reactions. At different stages of the cycle‚ copper was present in different forms. First reaction involves reaction between the copper and nitric acid‚ and copper changed from elemental state to an aqueous. The second reaction converted the aqueous Cu2+ into the solid copper (2) hydroxide. In the third reaction Cu(OH)2 decomposed into copper 2 oxide and water when heated
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Rocks containing copper compounds (such as copper carbonate) are called ‘copper ore’. Copper is extracted from copper ore by a series of chemical‚ physical‚ and electrochemical processes. Ores can be classed as ‘high grade’ or ‘low grade’ depending on the percentage of copper compounds (e.g. copper carbonate) they contain. After mining‚ the ore is crushed‚ roasted‚ smelted and then electrolysed to extract the copper. Suggested Equipment Boiling tube Samples of different carbonate ores‚ containing
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Chilean Mine Collapse BCOM/275 Chilean Mine Collapse In Chile‚ on August 5‚ 2010‚ a collapse inside a main access tunnel of a mine trapped 33 miners inside (Parry & Retther‚ 2010). The miners were trapped at a depth of at least 700 meters (Weik‚ 2010). There were 32 Chileans men and one Bolivian man trapped in the old gold and coppers mine (Parry & Retther‚ 2010). The miners estimated that they would not be rescued for four months. The miners had to receive emergency food and supplies
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Mine Management ************************************************** Q. "Safety is a management function"; comment as a manager of a mine how would you ensure compliance with the provisions of the Mines Act and Regulations by all concerned? Chalk out an organizational set-up fixing and integrating accident control responsibility into management operation. Safety is a management function because the root causes of all accidents often relate to the management system. They may be due to management policies
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lives. Mine disasters once were really common. In the single year of 1907 there were 18 coal mine disasters.. Among the disasters in 1907 was history’s worst the Monongah coal mine explosion‚ which claimed 362 lives and impelled Congress to create the Bureau of Mines. I will discuss this disaster more later in this paper. Mine accidents have declined dramatically in number and severity through years of research‚ technology‚ and preventive programs. Today mine accidents resulting
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