Pampu yamagetsi yamagetsi imakhazikika ndikukakamizidwa kwa 4.0mmka ndipo imalepheretsa mapampu opangidwa ndi mafuta owiritsa. Potsitsa ntchito: Pampu yopaka imaleka kugwira ntchito, kuthamanga kwa madera akuluakulu kumachotsedwa, komwe kumagwiritsidwa ntchito makamaka pa thanki yocheperako. Ogulitsa othandizira ndi awa: Wosakanikirana wogawana ndi ma visctootor.
