business communication computer female fingers hand hands laptop office ring study typing work worker workplace antique audio broadcast communications electronics equipment isolated music old old-fashioned radio retro Speaker technology abstract atlas background clip art clipart global globe graphic grid illustration internet map World business card business cards card cards employee identification introduction job plain danger electricity power red safety security sign symbol symbolic voltage volts warning white wording connection crowd figure figures game group meeting pawn pawns people pieces puzzle puzzles solve colors colours games integration shapes toys unity fire fire lane lane no parking object signs street street scene warn 3-D access advice availability color coloration colored colour coloured communicating contrast convenience direction embossed embossing information informative informing ladies-and-gents lettering loo personal public public-convenience public-toilet raised rest-rooms sanitation script surface tactile texture textured textures thick thin toilet toilets wc word cell device gadget handphone handset hello mobile pda phone sms speak talk wireless