Separator machines designed to separate and collect metal chips, swarf, sludge, and other forms of debris from coolants for metalworking machines; filtering conveyors being machines designed to remove and convey metal chips, swarf and magnetic sludge from coolants emitted from machine tools and other industrial machines; conveyors being machines for handling, cleaning, and removing metal chips, swarf, sludge, and other forms of debris from coolant media during metalworking; conveyors being machines and structural parts therefor; sludge conveyors being machines and structural parts therefor; sludge conveyors machines and structural parts therefor; conveyors being machines for removing and conveying plastic chips, swarf, sludge, and other forms of plastic debris produced during plastic processing operations in the plastic processing industry and structural parts therefor; conveyors being machines for removing and conveying stone chips, fragments, sludge, and other forms of stone debris produced during stone processing operations in the stone processing industry and structural parts therefor; metalworking machines, namely, machining centers and metalworking machine tools; mining machines; concrete and road construction machines; loading-unloading machines; sorting, separating, filtering and extracting machines for chemical processing; filtering machines for chemical processing; textile making-up machines; beverage processing machines; lumbering machines in the nature of wood debarking, planning and sawing machines; woodworking sanding and saw-tooth setting machines; veneer making machines; plywood gluing and finishing machines; glassware manufacturing machines; plastic processing machines; machines for manufacturing rubber goods; none of the foregoing using coal or for use with coal