... -drawing bench, tube drawing bench, plate bending machine, slitting machine, bar bender, punching machine, grinding machine, milling machine, planning machine, frictional press, air hammer, agricultural tractor ... , 28 horse & 15 horse tractor, 80 horse bulldozer, seeder, reaper, brick making machine, shovel car, ditch-and-trench excavator, shovel loader, electric welder ...