Vulcan groundcrew doing see-offs etc , Jet Provest line NCO and Buccaneer's in HAS's. exposure to various Prop and Jet engine noise. Suffer severe tinnitus in both ears and high tone deafness.
Always wore the approved ear defenders and also the yellow EAR plugs when available..
Struggle to hold converstaions in noisy/cramped environments amd if I cannot see the person speaking to me I may well not hear them either.
The wife calls it 'Selective hearing loss'......