Iṣẹ

Iṣẹ

kẹkẹ & Castor Itọsọna

Ni ṣoki alaye: Imọ ipilẹ ati awọn ofin imọ-ẹrọ nipa awọn kẹkẹ & castors.

Bii o ṣe le yan castor to dara

 Bii o ṣe le yan dimu simẹnti to dara

 Fttings ti castor

 5 Italolobo fun Nto swivel castor

 Gbogbogbo ilana fun lilo castors

 Bawo ni lati ṣetọju aga castors