icon, vector, symbol, icon set, line icon, call center, communication, communication occupation, communication problems, community, conference call, connection, customer service representative, global communications, internet, mobile app, technology, telecommunications equipment, telephone, telephone receiver, telephone worker, using phone, voice, wireless technology, adjusting, arranging, business finance and industry, conformity, industrial equipment, industry, installing, machine part, manufactured object, manufacturing equipment, preparation, repairing, working, construction equipment, engine, engineer, engineering, hand tool, household fixture, mechanic, open end wrench, service, work tool, wrench, maintenance engineer, repair shop,