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Afghan army recruit
A look at an Afghan recruit as he goes through the process of joining the Afghan National Army. Slideshow
FACTBOX: A guide to noise levels
LONDON |
LONDON (Reuters Life!) - Maps showing noise levels in towns across England were published on Friday.
Here is a guide to noise levels, measured in dB (A), a scale that uses decibels as perceived by the human ear:
Pain threshold.......................120 dB (A)
Pneumatic drill (7 meters away)......95
Fast train (from platform)...........94
Diesel truck (7 meters away).........83
Plane (take-off, 152 meters away)....81
Car (37 mph, 7 meters away)..........70
Office...............................60
Conversation.........................50
Library..............................40
Quiet bedroom........................35
Threshold of hearing.................0
(Source: DEFRA)
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