エメリーペーパー

noun

emery paper

Abrasive paper coated with emery powder, used for sanding or polishing metal, wood, or other surfaces. Similar to sandpaper but typically finer and used for metalworking.

• 金きん属ぞくの表ひょう面めんをエメリーペーパーで磨みがいた。

  I polished the metal surface with emery paper.