space shuttle
['thresher, thrasher, threshing machine', 'hippopotamus, hippo, river horse, Hippopotamus amphibius', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'pickelhaube', 'black swan, Cygnus atratus', 'steam locomotive', 'mobile home, manufactured home']