Ключевые слова: accident, alarm, alert, aluminium, arrow, automation, button, cancel, control, controller, danger, design, electric, electrical, electricity, emergency, engineer, engineering, equipment, factory, help, industrial, industry, machine, machinery, manufacturing, mechanical, object, off, panic, plastic, power, protection, push, red, reset, safety, security, signal, start, stop, switch, system, technical, technician, technology, warning, work, worker,