Ключевые слова: acid, anode, bath, bathtub, cathode, closeup, company, control, copper, cover, crystal, electricity, electrolysi, electrolyte, electrolytic, electrorefining, engineering, equipment, extreme, factory, industrial, industry, liquid, machine, machinery, manufacture, manufacturing, material, metal, metallurgy, overgrowth, plant, pure, purification, receiving, recess, refine, refinement, science, smelter, solution, sulfuric, sulphate, technology, work,