How to sharpen the blade of the gwayana rokucheka muchina

1. Isa blade pane rough surface test bench kuitira kuti irege kumhanya panguva yekukuya.

2. Wedzera huwandu hwakakodzera hwemafuta ekuzora kana parafini yemvura pamusoro peguyo uye uipukute zvakaenzana kuti uwedzere friction density.

3. Isai mubato webanga uye chibatiso chebanga pacheya chekucheka kuitira kuti mupendero webanga uende mberi uye uise pasi pasi peguyo.