That grinding noise means the lens edger has started the next pair.

How to say “That grinding noise means the lens edger has started the next pair.” in Japanese

In Japanese

この削(けず)る音(おと)、玉摺(たまず)り機(き)で次(つぎ)の一本(いっぽん)の加工(かこう)が始(はじ)まったんだね。

Kono kezuru oto, tamazuriki de tsugi no ippon no kakō ga hajimatta n da ne.

That grinding noise means the lens edger has started the next pair. in other languages