7 Mining machines and apparatus, namely, mine borers, coal cutting machines, cutting machines, cutting machine parts, namely, cutting bars, ore treating machines, extractors for mines; mineworking machines, namely, excavators, conveyors, graders, classifiers, collectors, screeners, tumblers, mills, and washers; construction machines and apparatus, namely, bulldozers, concrete construction machines, drilling bits that are parts of machines, earth moving machines, excavators, mud catchers and collectors, rams, road making machines, shredders for industrial use, road sweeping machines, electric hand drills; loading-unloading machines and apparatus, namely, roller bridges, cranes, conveyors, escalators, hoists, hoppers for unloading, loading apparatus, namely, hydraulic lift tables, loading rams, winches; chemical processing machines and apparatus, namely, presses for chemical processing, agitators for chemical processing, drying machines for chemical processing, mixing machines for chemical processing, sintering machines for chemical processing, calcining machines for chemical processing, sorting machines for chemical processing, granulating machines for chemical processing, extracting machines for chemical processing, emulsifying machines for chemical processing, kneading machines for chemical processing, disintegrators for chemical processing, separating machines for chemical processing, grinding machines for chemical processing, filtering machines for chemical processing