Ключевые слова: acid, anode, bath, bathtub, cathode, closeup, company, control, copper, electricity, electrolysis, electrolyte, electrorefine, engineering, equipment, extreme, factory, finished, get, industrial, industry, install, large, liquid, machine, machinery, manufacture, manufacturing, material, metal, metallurgy, plant, process, production, pure, refine, refinement, science, smelter, sulfuric, sulphate, technology, work, workshop,