What is the difference between auxiliary materials and spare parts for rotating equipment maintenance?
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I beg the experts: who can tell me the difference between spare parts for repairing rotating equipment and auxiliary materials used for maintenance? What makes something a spare part? What are maintenance auxiliary materials again?
Auxiliary materials such as lubricants, oils, asbestos fibers, asbestos sheets, sealants, bolts, nuts; spare parts such as seals, mechanical seals, shafts, couplings, oil nozzles, oil plugs