[Procedures of individual protection against noise in the State Railway Service].
1962
T MARZANO
UI
MeSH Term
Description
Entries
D009622
Noise
Any sound which is unwanted or interferes with HEARING other sounds.
Noise Pollution,Noises,Pollution, Noise
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
D006317
Hearing Loss, Noise-Induced
Hearing loss due to exposure to explosive loud noise or chronic exposure to sound level greater than 85 dB. The hearing loss is often in the frequency range 4000-6000 hertz.
Acoustic Trauma,Hearing Loss, Noise Induced,Noise-Induced Hearing Loss
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man