snowmobile
['book jacket, dust cover, dust jacket, dust wrapper', 'gasmask, respirator, gas helmet', 'sleeping bag', 'syringe', 'swab, swob, mop', 'ice bear, polar bear, Ursus Maritimus, Thalarctos maritimus', 'chain mail, ring mail, mail, chain armor, chain armour, ring armor, ring armour']