We know how damaging loud noise can be on hearing, but we tend to be sloppy when it comes to protection. Interesting view in daily pratice in:
Real world use and performance of hearing protection
This report considers the effectiveness of hearing protectors in everyday work situations. The study was undertaken in two parts. The first consisted of interviews with employers to discuss management of noise and hearing protector use, and on site observation of hearing protector use. The second part was objective laboratory measurements of hearing protector insertion loss.