Physically able to stand, bend, stoop, kneel, reach, twist, lift, push, pull, climb, balance, crouch, handle and move items weighing up to 50 pounds without assistance and move objects exceeding 50 pounds with reasonable accommodations. Essential Knowledge, Skills: Ability to apply basic to complex mathematical concepts such as adding, counting, subtracting, multiplying, dividing and knowledge of weights and measure, to sufficiently handle job tasks.