Ключевые слова: 24, alarm, approved, arrow, center, check, computer, contour, data, dead, disk, diskette, document, drive, error, file, gear, hard, hardware, help, hour, hours, icon, illustration, isolated, line, linear, mark, message, mobile, new, notification, outline, pc, phone, protection, refresh, rejected, ring, ringing, service, set, setting, smartphone, sync, telephone, time,