 <translate> A man can weld a stair rail without working on a stair rail.
The final answer: it is not possible to tell. <yor> Ọkùnrin kan lè fi irin ṣe àtẹ̀gùn láìsí pé ó ń ṣiṣẹ́ lórí àtẹ̀gùn. Ìdáhùn tó ṣe kedere ni pé: kò ṣeé ṣe láti sọ. 