Conditions include inclement weather germane to desert environments (extreme cold and hot), heavy incline/decline (over 15% grade change), varying surfaces (pavement, dirt, pebble), and entry/exit into confined or elevated spaces within a wide range of vehicle types. Balancing, stooping, kneeling, crouching, reaching, pushing, pulling, lifting, grasping, talking, hearing, repetitive motions Lift, carry, push, pull or otherwise move objects and/or move up to 75 pounds occasionally.