
Hupenyu hwesevhisi yecarbide saw blades hwakareba kupfuura iyo yekabhoni simbi uye yakakwirira-kumhanya simbi. Mamwe matambudziko anofanirwa kutariswa panguva yekushandiswa kuvandudza hupenyu hwekucheka.Kupfeka kweshizha resaha rakakamurwa kuita matanho matatu. Iyo yakaoma alloy ichangobva kurodzwa ine yekutanga kupfeka nhanho, uye yobva yapinda yakajairika nhanho yekukuya. Kana kupfeka kunosvika kune imwe nhanho, kupfeka kwakapinza.
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