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… where they have been used for lubricating, hydraulic, heat transfer, electrical insulating (dielectric) or other … involve the application of reasonably sophisticated technology, and require care and expertise in their … the oil yield and quality differ in relation to the technology employed. The three most commonly used re-refining …

… of Obsolete Personal Computers, Environmental Science & Technology, 2010. Estimated number of obsolete computers … cuff; Rubber condom Sources: Giles Slade, Made to break. Technology and Obsolescence in America, 2006; Wikipedia, … (often associated with open burning). Open dumping Waste transfer A very costly stepWaste collection 0 100 120 140 0 …

… in the spouses and children of lead workers, caused by transfer of lead from the workplace to home, has repeatedly … Maternal blood, plasma, and breast milk lead: lactational transfer and contribution to infant exposure. Environmental …