Class 019
Non-Metallic Building Material Products
Asphalt pavers; asphalt pavement mixing plants; rock crushers; aggregate production plants; aggregate washing plants; material handling equipment for use in connection with asphalt pavement mixing plants and rock crushers, namely, conveyors, screens, feeders, hoppers, chutes and elevators; compaction rollers; soil compactors; and components and parts of the foregoing.