副ふく資し材ざい

noun

secondary material; subsidiary material

Refers to materials that support or supplement primary materials in manufacturing, construction, or other processes. Often used in technical or business contexts.

• この製せい品ひんの副ふく資し材ざいには再さい生せいプラスチックを使つかっています。

  We use recycled plastic as a secondary material for this product.

• 副ふく資し材ざいのコスト削さく減げんが全ぜん体たいの利り益えきに大おおきく影えい響きょうする。

  Reducing the cost of subsidiary materials significantly affects overall profits.