Kodi kusiyanitsa chisel khalidwe?

Ndizosatheka kudziwa mtundu wa pang'ono pongoyang'ana. Komabe, kumbukirani kuti mtundu wa chidacho udzadalira izi:
	Ubwino wachitsulo (mwachitsanzo, kapangidwe kazitsulo).
	Kutentha mankhwala ndondomeko.
	Ubwino wakunola pang'onoyo udasinthidwa ndikunoledwa.
Kodi chithandizo cha kutentha ndi chiyani?
	Njira yothandizira kutentha imatha kudziwa ntchito yomwe chitsulo chingagwiritsidwe ntchito.
	Chitsulo chokhacho chowumitsidwa mpaka kutentha kwina ndi choyenera pa chisel. Chitsulo chikhoza kukhala chothandiza potentha kutentha kosiyana, koma monga zida zina ndi zina.
	Kuti muwonetsetse kuti chiselo chozizira chatenthedwa ndikunola bwino, yesani kugwiritsa ntchito chidacho kuti mudule chitsulo chofewa. Ngati pang'onoyo sikugwira ntchito (kapena yowonongeka), zingatanthauze kuti pang'onoyo iyenera kukonzedwanso kapena kunoledwa.
Chinanso chingakhudze khalidwe la chisel ndi chiyani?
	Kuphatikiza apo, ma bits ena amatha kupangidwa kapena kupangidwa kuchokera ku chitsulo cha chrome vanadium.
	Kusindikiza ndi kugwiritsa ntchito chitsulo cha chrome vanadium kumawonjezera kudalirika kwa chidacho, ndikuwongolera mtundu wake.
Kodi "BS 3066: 1995 Mafotokozedwe a Bits Engineering ndi Zida Zogwirizana" ndi chiyani?
	Pogula zomanga ndi zoziziritsa kuzizira, mutha kuwonetsetsa kuti zinthuzo zikugwirizana BS 3066: Mafotokozedwe a 1995 a bits za engineering ndi zida zofananira. Uwu ndi mulingo waukadaulo wopangidwa ndi British Standards Institution. Nthawi zina miyezo ndi mabungwe ena akhoza kulembedwa m'malo mwake.