A new twist in bearing design
News 6/19/2000 Post a comment The way design engineer Dave Kayser figures it, he would have paid more for the mounting block to retain a needle bearing than he would have paid for the bearing itself in a new machine he
Although plastics make up only about 11% of all US municipal solid waste, many are actually more energy-dense than coal. Converting these non-recycled plastics into energy with existing technologies could reduce US coal consumption, as well as boost domestic energy reserves, says a new study.
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