Junctions of metal for pipes; Valves of metal, other than parts of machines; Metal clad pipes; Metal couplings and joints for pipes; Connectors of metal for pipes; Metal fasteners, namely, bolts, nails, rivets, screws; Hardware, namely, metal brackets for general use

Noise suppressors for guns; Silencers for firearms

Chemical metering system comprising flow meters; Chemical metering and injection system comprising pressure transducers, flow meters, hydro-static measuring tubes, temperature sensors, and electronic processor for oil well production; electronic fluid management system comprising sensors and flow meters that provides precision monitoring and dosing in the freshwater and chemical treatment of oil wells

telecommunication equipment, namely, routers, switches and servers; computer programs for use in telecommunications applications, namely, for facilitating link, transport and process level communications