42 Technical consulting featuring design and development of industrial and hydraulic hoses, gaskets, conveyors, parts of conveyors, metal building materials, pipes and tubes of metal, pipes and tubes not of metal, flexible pipes and tubes, pipe fittings, hose clamps, tube clamps, pipe clamps, valves, seals, safety fittings, expansion joints, couplings and fasteners related to the use of industrial hoses, pipes, gaskets, and conveyors, and loading arm systems; Industrial and hydraulic hose management services, namely, testing, inspection, cleaning, and audit services; Safety and maintenance auditing services for industrial facilities