| D008153 |
Lubrication |
The application of LUBRICANTS to diminish FRICTION between two surfaces. |
Lubrications |
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| D008669 |
Metallurgy |
The science, art, or technology dealing with processes involved in the separation of metals from their ores, the technique of making or compounding the alloys, the techniques of working or heat-treating metals, and the mining of metals. It includes industrial metallurgy as well as metallurgical techniques employed in the preparation and working of metals used in dentistry, with special reference to orthodontic and prosthodontic appliances. (From Jablonski, Dictionary of Dentistry, 1992, p494) |
Heavy Industries,Industries, Heavy,Heavy Industry,Industry, Heavy |
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| D008899 |
Mineral Oil |
A mixture of liquid hydrocarbons obtained from petroleum. It is used as laxative, lubricant, ointment base, and emollient. |
Liquid Paraffin,Petrolatum, Liquid,Drakeol,Vaseline Oil,Liquid Petrolatum,Oil, Mineral,Oil, Vaseline,Paraffin, Liquid |
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| D009821 |
Oils |
Unctuous combustible substances that are liquid or easily liquefiable on warming, and are soluble in ether but insoluble in water. Such substances, depending on their origin, are classified as animal, mineral, or vegetable oils. Depending on their behavior on heating, they are volatile or fixed. (Dorland, 28th ed) |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D000395 |
Air Pollutants, Occupational |
Toxic air-borne matter related to work performed They are usually produced by the specific nature of the occupation. |
Occupational Air Pollutants,Pollutants, Occupational Air |
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| D001336 |
Automobiles |
A usually four-wheeled automotive vehicle designed for passenger transportation. |
Cars,Automobile,Car |
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| D013696 |
Temperature |
The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms. |
Temperatures |
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| D014586 |
USSR |
A country located from the Baltic and Black seas to the Pacific Ocean and, for a time including 15 Soviet Socialist Republics. The capital was Moscow. |
Soviet Union,Union of Soviet Socialist Republics |
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