bannister, banister, balustrade, balusters, handrail
['ballpoint, ballpoint pen, ballpen, Biro', 'torch', 'bannister, banister, balustrade, balusters, handrail', 'nail', 'abacus', 'gasmask, respirator, gas helmet', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus']