sandblasting; sandblast
Refers to the process of cleaning or shaping a surface by blowing sand at high pressure. Used as a noun; the verb form is often expressed with する (砂吹きする).
We sandblasted to remove the old paint.
この工場では金属部品の砂吹きを行っている。
This factory performs sandblasting of metal parts.
Compound of 砂 (すな, 'sand') and 吹き (ふき, the continuative form of 吹く 'to blow'). Literally 'sand blowing'.