pipe couplings of metal; metal couplings for use with hydraulic and pneumatic systems

Wires and cables for conducting electricity, liquid leak detectors

Heat exchangers, other than parts of machines

metal manually operated ball valves for use with nylon or polyurethane tubes; fittings, coupling and connectors made of metal for use with nylon, polyurethane tubing and with heat and chemical resistant tubing used for liquid chemical transport and electrical insulation

(Based on 44(e)) Plastic tubes for industrial use; plastic hoses for industrial use; plastic films for industrial use; plastic sheets for industrial use; plastic tapes for industrial use