disk brake, disc brake
['switch, electric switch, electrical switch', 'punching bag, punch bag, punching ball, punchball', 'garden spider, Aranea diademata', 'hand blower, blow dryer, blow drier, hair dryer, hair drier', 'ballpoint, ballpoint pen, ballpen, Biro', 'jinrikisha, ricksha, rickshaw', 'pop bottle, soda bottle']