enclosures and accessories, namely metal or plastic mounting panels, system bars, side walls, bases, transportation bases, viewing doors, viewing windows, swing frames, partition walls and plug walls, plug walls, slide rails, telescopic slides, castors, sliding mounting angles, cable collecting rails, flexible cable conduits, cable conduit clips, trim panels, component shelves, print pockets, hinges, door stop kits, transportation eyebolts, locks, panels, system chassis with and without mounting flanges as mounting surfaces for electric and mechanical components, writing boards, drawers; electrical grounding straps, electrical contact clips, enclosure lights, cross mullions, installation rails, mounting angles, blanking trims, cable collecting rails, interconnecting brackets, interconnecting lugs, wall-mounted enclosures, series consoles, junction boxes, fiberglass enclosures, pendant arm systems, support arms, control panel enclosures, keyboard housing, hinges, arm couplings, connection adaptors, field bus enclosures, distribution cabinets, wall-mounted distribution cabinets, computer enclosures, EMC shielded enclosures, electronic enclosures and accessories, keyboard drawers, racks, desktop cases and and accessories, hinged keyboard covers, support rails, handles, front doors, modular industrial operator enclosures, subracks for plug-in cards with electronic switches, modules; enclosure air treating devices, such as - air conditioners, panel heaters, heat exchangers, filter fans; power distribution components, such as - busbars, busbar supports, connection and component adaptors, bus-mounted fuse bases, disconnects, busbar conductor clamps, cover systems; network cabinets and accessories, such as - splice distributors, splice boxes, patch panels, cable guides, grounding brackets, power strips, socket strips, distribution cabinets, equipment cabinets, switch termination cabinets, data racks, TC-racks; and production and marketing of software program