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Flexible metal pipes, non-electric cables of metal; pipeline reinforcing materials, namely, metallic steel plates, and metal pipeline products, namely, metal flanges and pipe connectors, metal mandrels, not being parts of machines, metal pipe couplings and joints for use in the conveyance of gas and fluids in the oil and gas industry

Flexible non-metal pipes, pipeline reinforcing materials not of metal, namely, polymer plastic sheets, polymer sealant and polymer-based patching compound

Non-metal pipeline products, namely non-metal pipe couplings and joints for use in the conveyance of gas and fluids in the gas and oil industry