radio, wireless
['theater curtain, theatre curtain', 'radio telescope, radio reflector', 'ashcan, trash can, garbage can, wastebin, ash bin, ash-bin, ashbin, dustbin, trash barrel, trash bin', 'sandbar, sand bar', 'stove', 'hand blower, blow dryer, blow drier, hair dryer, hair drier', 'switch, electric switch, electrical switch']