Ключевые слова: accident, alarm, ask, assist, assistance, attack, box, business, button, call, center, challenge, color, communication, concept, contact, crime, danger, dirty, emergency, female, help, icon, illustration, information, male, panic, park, people, phone, police, pressing, public, red, rescue, safety, secure, security, service, sign, sos, station, symbol, technology, urgent, vintage, walking, wall, white, yellow,