A var. form of the word "another". used generally in the construction trades to request, or determine the need for, additional materials. As an adjective, it modifies the given item. See example as it relates to the cement block.
A mason's tender wonders if his mason needs an additional cement block. He calls out to the mason, "nurn?". The mason replies "nurn". Indicating he needs an additional block.
作者 triplettt 2010年8月07日