残ざん材ざい

noun

leftover material; remaining material

Refers to materials left over after a task, such as construction offcuts, fabric remnants, or unused supplies.

• 工こう事じの後あと、残ざん材ざいを処しょ分ぶんするのに手て間まがかかった。

  After the construction, it took effort to dispose of the leftover materials.

• この棚たなは残ざん材ざいで作つくったんです。

  I made this shelf from leftover materials.