7 HOISTING AND TRANSPORT DEVICES-NAMELY, MANUALLY, ELECTRICALLY AND PNEUMATICALLY DRIVEN CRANES; ELECTRICALLY AND PNEUMATICALLY DRIVEN FRICTION WHEEL TRAVELING TROLLEYS, MANUALLY, ELECTRICALLY AND PNEUMATICALLY DRIVEN OVERHEAD TROLLEYS; ASSOCIATED TRAVELING TROLLEYS; LIFTS; TRACKS, SWITCHES, CROSSINGS, TURNTABLES, SLIDING SWITCHES, ALL SOLD AS A COMPLETE UNIT