Ключевые слова: alarm, alert, assistance, attention, background, black, button, buttons, cancel, caution, control, danger, dark, disaster, disconnect, electrical, emergency, equipment, factory, fire, freezed, help, industrial, industry, interrupt, light, machine, machinery, mechanical, off, panic, plastic, point, power, press, protection, push, red, red button, round, safety, security, service, signal, signs, siren, start, stop, switch, technical, technology, urgency, warning, work,