Why is it necessary to wear ppe?

When working with large machinery or in a dangerous environment like a construction site, it is imperative that you wear personal protective equipment. PPE makes you clearly visible to other people, and this safety gear protects you from environmental hazards. You should be trained in how to use personal protective equipment properly, as improper use could prevent the equipment from fully protecting you.

Read more: http://www.ehow.com/how_7351459_use-wear-protective-personal-equipment.html#ixzz2e1vEGoV3