Chitsulo chozizira chozizira ndi chomwe chimapangidwa ndi makina ozizira, ndipo anthu amachitcha kuti chill coil.Kwenikweni, zitsulo zachitsulo zomwe zimapangidwa ndi kukonzedwa ndi kugudubuza kozizira zimatchedwa zozizira zozungulira zitsulo.Zitsulo zozizira zozizira ndizo zida zazitsulo zazitsulo zopangira malata.Kenako imakonzedwa ndi kutsuka kwa alkaline, anneal, galvanization ndi unknit.Nthawi zina, anthu amachitcha ngati koyilo yachitsulo chozizira.
Koyilo yachitsulo yamalata imafupikitsidwa ngati GI.Mitundu yosiyanasiyana yopangira malata imapangitsa kuti malo awo azikhala osiyana, monga masing'anga wamba, masipanglo akulu, masing'ono ang'onoang'ono ndi ziro spangles, pamodzi ndi mankhwala a phosphorization pamalo.Zinc zokhuthala zimapangitsa mphamvu ya anticorrosive kukhala yangwiro.Choncho zimagwirizana ndi chilengedwe chakunja.
Nthawi yotumiza: Nov-26-2021