construction machines, namely, excavating machines, power-operated impact hammers for foundation work, augers, pile-drivers, pile-extractors; compactors, earth compacting machines, power operated earth tampers; earth moving machines, namely graders, bulldozers, power hydraulic rammers, concrete mixers, concrete vibrators, concrete pneumatic pumps, asphalt paving machines, and dredging machines; loading and unloading machines, namely cranes, conveyors, hoisting and winding gears as parts of cr...

[ ground engagement tracks and ground engagement treads and links therefor for crawler-tracked construction machines and earth moving machines ] * links for ground engagement tracks and ground engagement treads for crawler-tracked construction machines and earth moving machines *