Working Conditions : Bending, lifting, climbing, pushing, pulling, kneeling, sitting stand, walk, kneel, stoop, squat, pull, push, climb, crouch, crawl, talk, hear, and see and standing (occasionally) for long periods of time. Good oral and written communication skills combined with the ability to operate mobile equipment, perform heavy lifting as needed as well as the ability to work in a dusty environment and temperatures in excess of 100 degrees.