This class includes the repair and maintenance of transport equipment of division 30, except motorcycles and bicycles. However, the factory rebuilding or overhaul of ships, locomotives, railroad cars and aircraft is classified in division 30.

This class includes :

Repair and maintenance of ships

Repair and maintenance of pleasure boats

Repair and maintenance of locomotives and railroad cars (except factory rebuilding or factory conversion)

Repair and maintenance of aircraft (except factory conversion, factory overhaul, factory rebuilding)

Repair and maintenance of aircraft engines

Repair and maintenance of drawn buggies and wagons

This class excludes :

Factory rebuilding of ships, see 301;

Factory rebuilding of locomotives and railroad cars, see 3020;

Factory rebuilding of aircraft, see 3030;

Repair of ship or rail engines, see 3312;

Ship scaling and dismantling, see 3830;

Repair and maintenance of motorcycles, see 4540;

Repair of bicycles and invalid carriages, see 9529.