switch, electric switch, electrical switch
['nipple', 'pencil box, pencil case', 'loudspeaker, speaker, speaker unit, loudspeaker system, speaker system', 'dishwasher, dish washer, dishwashing machine', 'ballpoint, ballpoint pen, ballpen, Biro', 'slot, one-armed bandit', 'book jacket, dust cover, dust jacket, dust wrapper']