I walked past a guy using a pneumatic drill the other day. It was so loud I crossed the road to get away from it and my ears were ringing for a while after I'd

I walked past a guy using a pneumatic drill the other day. It was so loud I crossed the road to get away from it and my ears were ringing for a while after I'd passed him. He wasn't wearing any form of ear protection at all. He can't have been much older than 20.