Ключевые слова: apparatus, call, cellphone, cog, cogwheel, communication, component, concept, construction, design, digital, display, electrical, electronic, engineering, equipment, gadget, gear, hardhat, hat, head, helmet, industrial, industry, mechanical, metal, mobile, modern, part, pc, phone, pinion, plastic, portable, protection, protective, safety, smart, smartphone, steel, style, technical, technology, teeth, telephone, tool, touch, touchscreen, wear, yellow,