Kutentha kotentha

1. Kuyamba
Mutu ndi mchira wa cutler ya tsitsi nthawi zambiri imakhala yowoneka bwino komanso yowoneka bwino komanso yolondola, ndipo m'mphepete nthawi zambiri zimakhala ndi zofooka monga mawonekedwe a mafunde, ndi nsanja. Kulemera kwake kuli kolemera. (Nthawi zambiri makampani opanga zipai amakonda kugwiritsa ntchito.)
2. Gwiritsani
Zogulitsa zotentha zimakhala ndi mphamvu zapamwamba monga mphamvu zapamwamba, kulimba mtima, kukhazikika kosavuta, kukonza kovuta komanso kugwiritsidwa ntchito kwambiri pakupanga mafakitale monga zitsulo, makina, ndi mikwingwirima.
Ntchito Zogwiritsira Ntchito:
(1) Pambuyo pa kuwonetsedwa, imakonzedwa mu kugunda wamba;
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(3) mapanelo omwe amafunikira kukonzedwa.
3.. Gulu
Mbale yofala ya kaboni, mbale yabwino kwambiri ya carobon, mbale yotsika, mbale ya Briner, zofunda zolimba:
Zinthu zotentha zotentha zogulira zitsulo zogulira zimaphatikizapo zigawo zachitsulo (ma coils) ndi ma sheet achitsulo odulidwa kwa iwo. Mzere wachitsulo (roll) akhoza kugawidwa m'makola owongoka ndikumaliza (ma rolls ogawika)