| D007221 |
Industry |
Any enterprise centered on the processing, assembly, production, or marketing of a line of products, services, commodities, or merchandise, in a particular field often named after its principal product. Examples include the automobile, fishing, music, publishing, insurance, and textile industries. |
Tertiary Sector,Industries,Sector, Tertiary,Sectors, Tertiary,Tertiary Sectors |
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| D009622 |
Noise |
Any sound which is unwanted or interferes with HEARING other sounds. |
Noise Pollution,Noises,Pollution, Noise |
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| D011044 |
Poland |
A country in central Europe, east of Germany. The capital is Warsaw. |
Polish People's Republic,Republic of Poland |
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| D011890 |
Railroads |
Permanent roads having a line of rails fixed to ties and laid to gage, usually on a leveled or graded ballasted roadbed and providing a track for freight cars, passenger cars, and other rolling stock. Cars are designed to be drawn by locomotives or sometimes propelled by self-contained motors. (From Webster's 3d) The concept includes the organizational and administrative aspects of railroads as well. |
Subways,Railroad,Subway |
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| D004781 |
Environmental Exposure |
The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals. |
Exposure, Environmental,Environmental Exposures,Exposures, Environmental |
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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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| D000162 |
Acoustics |
The branch of physics that deals with sound and sound waves. In medicine it is often applied in procedures in speech and hearing studies. With regard to the environment, it refers to the characteristics of a room, auditorium, theatre, building, etc. that determines the audibility or fidelity of sounds in it. (From Random House Unabridged Dictionary, 2d ed) |
Acoustic |
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| D014505 |
Urban Population |
The inhabitants of a city or town, including metropolitan areas and suburban areas. |
Urban Residence,Urban Spatial Distribution,Distribution, Urban Spatial,Distributions, Urban Spatial,Population, Urban,Populations, Urban,Residence, Urban,Urban Populations,Urban Residences,Urban Spatial Distributions |
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