Computer equipment & services

Insulating materials including resin impregnated materials, insulated board; plastic sheets, blocks and rods for use in manufacture

Vacuum filters not for use on engines

Machines and machine tools; motors (except for vehicles); machine couplings and belting (except for vehicles); agitators; pumps including centrifugal and diaphram pumps; drives for thickeners, clarifiers, filters and distributors; ball mills, rod mills and tooth mills, mining machinery including loaders, hoisting machines, cages, contractors equipment including overhead loaders, non-self propelled scrapers and power shovels, air motors, electric driven underground machinery and parts of such machinery and equipment, centrifugal seperating equipment and parts thereof.

Installations for water supply and sanitary purposes including thickeners, clarifiers, flotation equipment, aeration equipment, digesters, sand filters for water purification, biological (trickling) filters and distributors and drives and parts thereof, vacuum and pressure filters, including drum filters, disc filters, table filters, tilting pan filters, drum and horizontal belt filters, sight glasses for flow lines and reaction vessels

Vehicles; earth moving equipment, bulldozers and power shovels, front-end loaders, self-propelled scrapers, air locomotives and electric driven underground self-propelled vehicles and parts of such equipment

Digging, excavating, loading and earth-moving machines and equipment, power shovels; air locomotives; air motors (not being electric motors); ball, rod, and tube mills; and parts of such machines and equipment,

Filters, dewaterers and driers for metallurgical and industrial purposes and parts thereof,

Vacuum tubes for transmission purposes, vacuum condensers, vacuum switches, ion gauges,