吹ふき分わける

ichidan verb, transitive verb

blow apart; winnow; smelt

Used for separating or sorting materials by blowing air, such as winnowing grain or smelting ore. The 'smelt' sense is a technical extension where air is blown through molten metal.

• 農のう家かでは、籾もみ殻がらを吹ふき分わけるのに唐とう箕みを使つかう。

  Farmers use a winnowing machine to blow away the chaff.

• 製せい鉄てつ所じょでは、溶とけた鉄てつに空くう気きを吹ふき分わけて不ふ純じゅん物ぶつを取とり除のぞく。

  At the steel mill, they blow air through the molten iron to remove impurities.