9 Fire extinguishing apparatus, namely, nozzles, couplings, valves, tips, Siamese hose fittings, hose fittings, shut-offs, play pipes, deck pipes, ladder pipes, and component parts and accessories therefor, namely, hose and ladder straps, thread adapters, siphons, hose jackets, clamps, strainers, expanders, hose-mending sleeves, caps, and plugs, and portable irrigation equipment, namely, [ fire hoses, ] water cannons for use in fire extinguishing and nozzles for use on hoses for fire extinguishing, and component parts and accessories therefor, namely, conduit, couplings, sprinklers, valves, elbows, stabilizers, risers, gaskets and plugs