Ключевые слова: assembly, assembly line, background, blue, bolts, closeup, component, connection, design, detail, elements, engineering, engineering work, enhancement, equipment, fasteners, hardware, industrial, industry, innovation, machine, machinery, maintenance, manufacturing, mechanical, mechanism, metal, metal parts, metallic surface, metalwork, modern, part, precision, process, production, professional, screws, structure, surface, system, technology, tools, workflow, workshop,