Noise Health Close
 

Example of the noise exposure of a combat vehicle driver over the driving period. Anr and tsh ear mean measurement at the entrance of the ear canal when Norwegian active noise reduction headgear and HTSh-4 headgear, respectively, were used.

Example of the noise exposure of a combat vehicle driver over the driving period. Anr and tsh
ear mean measurement at the entrance of the ear canal when Norwegian active noise reduction headgear
and HTSh-4 headgear, respectively, were used.