Question

which item is safety equipment?
helmet
t - shirt
shoelace
sunscreen

Explanation:

A helmet is designed to protect the head from injuries in various activities like cycling, construction work, etc. T - shirts, shoelaces, and sunscreen are not primarily safety - equipment. T - shirts are for clothing, shoelaces are for fastening shoes, and sunscreen is for skin protection from the sun but not safety in the same sense as a helmet.

Answer:

Helmet