Ключевые слова: accident, alarm, alert, assistance, attention, background, business, button, caution, closeup, concept, control, danger, electric, electrical, emergency, emergency button, emergency stop, emergency switch, emergencystop, help, industry, isolated, key, machine, object, off, panic, power, problems, protection, push, red, red stop button, red stop sign, safety, security, service, sign, stop, stop sign, support, switch, technology, touch, warning,