A hard hat is a type of helmet predominantly used in workplace environments such as industrial or construction sites to protect the head from injury due to falling objects, impact with other objects, debris, rain, and electric shock. ... Some helmet shells have a mid-line reinforcement ridge to improve impact resistance.

What are the differences between hard hat and helmet?

Traditionally, hard hats were allocated to construction sites to protect workers from falling objects and to protect themselves in other potential construction accidents. Safety helmets were used by bicyclists, motorcyclists, and in other sports.

What is the difference between hat and helmet?

is that hat is a covering for the head, often in the approximate form of a cone or a cylinder closed at its top end, and sometimes having a brim and other decoration while helmet is a protective head covering.