511. Sitting, Arts & Crafts, Wood Carving, Weaving, Wool Spinning, Light Effort 512. Sitting Drums 513. Trombone Standing 514. Playing musical instruments, general 515. Standing Horn 516. Bookkeeping 517. Airline Flight Attendant 518. Marching Band, Playing an Instrument, Walking, Brisk Pace, General 519. Coal Mining, Coal Extraction 520. Custodial work, light effort (e.g., cleaning sink and toilet, dusting, vacuuming, light cleaning) 521. Farming, light effort (e.g., cleaning animal sheds, preparing animal feed) 522. Farming, Driving Tasks (e.g., Tractor or Harvester) 523. Farming, Hand Milking, Cleaning Pails, Moderate Effort 524. Firefighters, Raising and Climbing Ladder with Full Gear, Simulated Fire Suppression 2 525. Firefighters, Hauling Hoses on Ground, Carrying/Hoisting Equipment, Breaking Down Walls, etc., in Full Gear 526. Firefighter, Rescue Victim, Automobile Accident, using Pike Pole 527. Fishing, Commercial, Moderate Effort 528. Fishing, commercial, vigorous effort 529. Horse Racing, Galloping 530. Lawn Keeper, Yard Work, General 531. Property Manager 532. Heavy Duty Operating Equipment, Automated, Non-driving 533. Orange Grove Work, Picking Fruit 534. Printing, Paper Industry Worker, Standing 535. Shoveling and Digging Ditches 536. Standing, light/moderate effort (e.g., assemble/repair heavy parts, welding,stocking parts,auto repair,standing, packing boxes, nursing patient care) 537. Tailoring, Hand Sewing 538. Tailoring, Weaving, Moderate Effort (e.g., Spinning and Weaving Operations, Delivering Boxes of Yam to Spinners, Loading of Warp Bean, Pinwinding, Conewinding, Warping, Cloth Cutting) 539. Walking at Work, 3.5 mph, in Office, Brisk Speed, Not Carrying Anything 540. Walking, Pushing a Wheelchair