7 Machine parts, namely, roll and bearing journals, namely, bearings for linear motion as ball boxes, rail management, wheels, and ball circulation shoes, rolling gearings, namely, ball tapping gear, planet gears, and non-terminal screw roll gears, ball rolls, anti-friction bearing rolls, roller bearing balls, bearing casings and bearing housing, roller element cages, bearing caulkings, shaft bearings, shaft support bearings, shaft bucks, machine tool pans, machine equipment for supply of work pieces for tool processing machines and for their transport, namely, tables and sleighs, machine-operated handling apparatus for taking, holding, distributing, rotating, crabbing, and taking down of work pieces working in connection with machine tools and assembly appliances, pneumatically, hydraulically, mechanically, and/or electrically operated operation apparatus for machine tools and work piece feeding machines, conveyor systems, namely, conveyors for belts, strips, chains, rolls, flow bands, conveyor chains, lifting, rotation, and tipping apparatus, lifting/flatwise units, work piece carriers, driving chains and driving machines, except for land vehicles, belt conveyors and metal drawing machines, conveyor belts, conveyors, free-wheel wheels, except for land vehicles, universal joints not for land vehicles, handling apparatus, namely, fork lifters, case lifters, material trolleys, material shuttles, and roller carriers, derricks and loading ramps, run bands for the transport of goods, roller bearings, belts for conveyors, driving chains, except for land vehicles, hydraulic drives for machines and engines, industrial manipulating machines, tool availability systems, material availability, and arrangement systems, namely, tool positioning systems, custom flow rack systems, transfer systems, custom lean conveyor tracks, individual components of flow rack systems, grab containers, tool hangers, and drawer cabinets