Water flushing tanks for toilets; toilet seats; shower sinks; toilet buoy valves; plumbing gate valves; sewage treatment equipment, namely, siphoned drain boxes for use in sewage treatment units and sewage collecting boxes for use with sewage treatment units; toilet flushing levers

Flexible non-metal tubes for connection of toilet tanks to toilet bowls; rubber stuffing rings for plumbing pipes; watertight rings and insulation rings for water pipes; flexible plastic gas pipes; insulation for electricity ducts; non-metal plastic and rubber tubes for pressurized air; flexible tubes for water, gas and electricity; self-adhesive tapes other than for stationery use for electrical insulation, pipe joints, and electricity duct joints; fabric expansion joints for rigid electricity ducting; water conduits installations, namely, flexible plastic plumbing pipes, and flexible plastic sewer pipes

Non-metal water pipes; non-metal pipes for water and gas; plastic gas pipes; junctions not of metal for flexible tubes for water, gas and electricity; non-metal pipe joints; water conduits installations, namely, plastic plumbing pipes, non-metal pipe joints, plastic sewer pipes and its non-metal junctions; non-metal couplings for water and gas pipes