Labarai
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Rage ƙirar masana'antu na ƙarfe
Shafar da hanzarta gina filin gini a cikin rabin shekara na shekara, buƙatun ya karu. Sabili da haka, daga tsakiyar da kuma ƙarshen Oktoba, ƙirƙirar ƙarfe na zamantakewar zamantakewa ya nuna ci gaba da raguwa na 7 a jere, kai tsaye karya mafi ƙarancin matakan kayan durin ...Kara karantawa -
Mene ne saurin tsoma baki?
Gashi mai ɗumi-ruwa wani nau'i ne na galvanization. Tsarin ƙarfe ne da baƙin ƙarfe tare da zinc, wanda keɓaɓɓen ƙarfe tare da farfajiyar ƙarfe na ƙarfe yayin nutsar da ƙarfe a cikin wanka na zinc mai ƙyalli a zazzabi kusan 840 ° F (449 ° C). Lokacin da aka fallasa ga yanayi, zinc (Zn) mai tsabta ...Kara karantawa
