Ключевые слова: 24, 247, 24h, 24hour, 7, always, anytime, around, assistance, background, blackboard, board, business, center, chalk, chalkboard, chat, clock, commerce, communicate, communication, connection, contact, customer, day, drawn, green, help, helpdesk, helpline, hotline, hour, icon, illustration, info, information, line, number, open, pattern, retail, service, seven, shop, sign, support, symbol, time, week, work,