Other physical qualifications for a CSA include: Must be able to operate equipment such as overhead and floor mounted oil and grease guns, transmission machine, air conditioner service machine, radiator service machine, hand tools and basic office equipment. Must be able to push, pull, pull up, bend at the knees and waist, twist body at the waist, raise and hold arms overhead, turn head-neck-shoulders as needed, grasp and hold tools and other items with hands.