call; center; hotline; service; poster; staff; operator; headset; chatting; customer; computer; phone; client; communication; technical; support; specialist; solve; problem; online; vector; line; man; woman; girl; people; character; person; work; working; contact; helpdesk; user; question; asking; answer; assistance; business; centre; technology; web; mail; manager; profession; worker; banner; flyer; concept; cartoon; illustration

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