Functional fluid-conveyance products: hoses, hose assemblies, process tubing, prefabricated pipework, insulated line bundles, loading arms, hose reels, flexible exhaust connections, bellows and expansion joints. Includes application-defined tube systems and heat-transfer tubes supplied as components. Excludes undifferentiated tube stock, bent tube parts without a conveyed-fluid function, discrete connection fittings, complete heat exchangers and integrated loading or dispensing systems.