• Abadala. Ukuguga ngokuvamile kubangela ukuwohloka kwezindlela zokuzwa, okungaholela ekuqalekeni kwe-tinnitus.
• Abesilisa. Bathinteka kakhulu kunabesifazane ngalolu hlobo lwezimpawu.
• Abantu abachayeke emsindweni:

- abantu abasebenza endaweni yezimboni;

- abashayeli bamaloli kanye nabo bonke labo umsebenzi wabo obaphoqa ukuthi basebenzise imoto kaningi;

- ama-auto mechanics;

- abasebenzi bokwakha;

- amasosha ezindaweni ezingqubuzanayo;

- abaculi;

- izakhamuzi zasemadolobheni anabantu abaningi;

- abantu abavame ukuya kuma-disco, ama-nightclub, amahholo ekhonsathi kanye ama-rave, noma abalalela umculo ngevolumu ephezulu ne-walkman yabo noma isidlali seMP3;