The most appropriate answer is the last one !
we do warm ups to move our joints so that it moves freely during vigorous exercise !
Hard hat: protects the head from falling objects
Leather gloves: protects hands from cuts and debris
Goggles: protects eyes from dust and air borne debris
N-95 respirator mask: prevents from breathing in dust, hazardous gases
Yellow vest: allows others to recognize that you are a responder and not a victim
Your nails are made with Keratin. ☺
