Electrical cleaning devices, namely, vacuum cleaners; steam cleaners; and carpet, bare floor, and upholstery deep cleaning extractors

Oil and gas drilling equipment for use in the field, namely, a gas lift system comprised primarily of subsurface well completion equipment, namely, gas flowing tubes, sealing devices in the nature of packers, gas lift valves, landing nipples, sliding side doors, lock mandrels, flow control equipment in the nature of flow control valves, and bypass equipment in the nature of bypass valves and bypass tubes, all sold as a single unit