| D003032 |
Coal Mining |
The practice of extracting COAL from the earth. |
Mining, Coal |
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| D004391 |
Dust |
Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed) |
House Dust,Housedust,Dust, House |
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| D004864 |
Equipment and Supplies |
Expendable and nonexpendable equipment, supplies, apparatus, and instruments that are used in diagnostic, surgical, therapeutic, scientific, and experimental procedures. |
Apparatus and Instruments,Devices,Medical Devices,Device, Medical,Devices, Medical,Equipment,Inventories,Medical Device,Supplies,Device,Instruments and Apparatus,Inventory,Supplies and Equipment |
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| D000393 |
Air Pollutants |
Any substance in the air which could, if present in high enough concentration, harm humans, animals, vegetation or materials. Substances include GASES; PARTICULATE MATTER; and volatile ORGANIC CHEMICALS. |
Air Pollutant,Air Pollutants, Environmental,Environmental Air Pollutants,Environmental Pollutants, Air,Air Environmental Pollutants,Pollutant, Air,Pollutants, Air,Pollutants, Air Environmental,Pollutants, Environmental Air |
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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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