This work also involves the physical abilities of climbing, crouching, feeling, grasping, handling, perceiving sounds at normal speaking levels, kneeling, lifting, having manual dexterity, using mental acuity, pulling, pushing, reaching, performing repetitive motion, speaking, standing, expressing ideas by the spoken word, and walking. Work involves installing taps to water and sewer systems, making field repairs to water and sewer mains and maintaining and repairing sewer stations and associated equipment.