Conveyor machines for handling, cleaning, and removing metal chips, swarf, sludge, and other forms of debris from coolant media during metalworking; separator machines designed to separate and collect metal chips, swarf, sludge, and other forms of debris from coolants for metalworking machines; metalworking machines and tools; mining machines and apparatus; construction machines and apparatus; filtering conveyors designed to remove and convey metal chips, swarf and magnetic sludge from coolants emitted from machine tools and other industrial machines; conveyors being machines and structural parts therefor; sludge conveyors being machines and parts of machines; sludge conveyors and structural parts therefor; conveyor accessories; conveyor 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; conveyor machines for removing and conveying food chips, scraps, crumbs, and other forms of food debris produced during food processing operations in the food processing industry and structural parts therefor; conveyor 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; hoppers [mechanical discharging]; loading-unloading machines and apparatus, and parts therefor; elevating apparatus; magnetic separator machines in the nature of chemical processing machines and apparatus designed to remove sludge from coolants for machine tools and other industrial machines; sludge removal equipment used to remove sludge by magnetic force for metalworking machines; sludge removal equipment used to remove sludge by magnetic force for mining machines and apparatus; sludge removal equipment used to remove sludge by magnetic force for construction machines and apparatus; sludge removal equipment used to remove sludge by magnetic force for loading-unloading machines and apparatus; sludge removal equipment used to remove sludge by magnetic force for chemical processing machines and apparatus; sludge removal equipment used to remove sludge by magnetic force for food processing machines and apparatus; sludge removal equipment used to remove sludge by magnetic force for beverage processing machines and apparatus; sludge collecting machines in the nature of chemical processing machines and structural parts therefor; sludge collectors being parts of metalworking machines; sludge collectors being parts of mining machines and apparatus; sludge collectors being parts of construction machines and apparatus; sludge collectors being parts of loading-unloading machines and apparatus; sludge collectors being parts of chemical processing machines and apparatus; sludge collectors being parts of food processing machines and apparatus; sludge collectors being parts of beverage processing machines and apparatus; machines for the removal and collection of oils from coolants in machine tools and other industrial machines; oil and coolant filters being parts of or for use with machines; filtering machines for chemical processing; filters being parts of machines; chemical processing machines and apparatus; textile machines and apparatus; food processing machines and apparatus; beverage processing machines and apparatus; lumbering machines and apparatus; woodworking machines and apparatus; veneer machines and apparatus; plywood machines and apparatus; pulp processing machines; paper manufacturing machines; paper processing machines and apparatus; agricultural machines and agricultural implements, other than hand-operated; glassware manufacturing machines and apparatus; plastic processing machines; machines for manufacturing semiconductors; machines and apparatus for manufacturing rubber goods; stone-working machines; parts for non-electric prime movers for land vehicles; non-electric prime movers, not for land vehicles; parts of non-electric prime movers; pumps for pumping coolants in metalworking machines; pumps as parts of machines for pumping coolants in metalworking machines; pneumatic or hydraulic machines and instruments; electric wax-polishing machines for industrial purposes; vacuum cleaners for industrial purposes; machine elements not for land vehicles; conveyor chains; belts for conveyors; lift belts.;