One slick trick: building a better biolubricant.
Fields
Scott
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D000059:Accidents; D001685:Biological Factors; D003247:Conservation of Natural Resources; D003296:Cooking; D004787:Environmental Pollution / Q000517:prevention & control*; D008153:Lubrication; D040541:Marketing; D008422:Materials Testing; D010578:Petroleum
D001685:Biological Factors; D010578:Petroleum