Shower Curtain: Gear after heat treatment and hardening on a wooden rack, improving the hardness of the metal.

File Details

Published: 2019-09-23 20:01:47.268628 Category: Industry Type: Photo Model release: No

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Keywords

machine, industrial, metal, machinery, steel, industry, gear, mechanism, mechanic, transmission, equipment, heat, technology, mechanical, manufacturing, teeth, indoor, condensing, power, burner, cog, manometer, cogwheel, engineering, part, gas, steam, factory, control, object, binding, lubrication, connection, nobody, energy, element, electrical, metallic, hardness, system, closeup, plant, warming, valva, treatment