I've been working in industry for over 20 years both in ther UK and overseas, particulalry hot countries such as Saudi and Africa. I've never come across a compalint of hard hats causing a build up of ear wax.
I have seen plenty of people with a build up of wax from use of ear plugs - I don't suppose this person also uses ear plugs??
Owen Donnelly
Medical Advisor
International SOS/Angola LNG Project
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