plastic conduit for liquids, gases, and utility cables, namely, plastic tubes for general industrial use being conduits for conveying liquids and gases for hydraulic and pneumatic purposes, and for housing cables for the transmission of communications and electricity, all such plastic tubes encased in curable resin
Rubber GoodsInstallation, maintenance and repair of telecommunication, electricity, liquid, and gas installations, apparatus, equipment and systems; Installation, maintenance and repair of conduit and ducts for telecommunications and fiber optic cables; technical consulting related to the building and installation of telecommunication networks and electricity, liquid, and gas line installation
Building Construction and Repair