Ọwọ yinyin yinyin jẹ ailewu ati ọrẹ ayika. Njẹ o mọ igi iru wo ni o dara fun laini iṣelọpọ yinyin yinyin?
Iriri akọkọ akọkọ jẹ igi birch. O jẹ mimọ ati funfun, ohun elo pipe. Yato si igi birch, Agbejade beach, igi beech, ati igi pinki, awọn wọnyi tun dara. Ọpọọrun yinyin yinyin wa ti awọn ẹrọ jẹ ṣiṣẹ fun gbogbo awọn ohun elo wọnyi.

Bawo ni marmen onigi ṣe yiyan ẹrọ ẹrọ?