Labaran Masana'antu
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Asalin ƙafafun ƙofar
Asalin ƙafafun ƙofar ： Dangane da Babban Tarihin Duniya, ƙafafun sun fara bayyana ne a Mesopotamiya, kuma a ƙasar Sin, ƙafafun sun bayyana a wajajen 1500 BC. Ta hanyar mirgina da keken, gogayya tare da fuskar sadarwar na iya raguwa ƙwarai, kuma abubuwa masu nauyi c ...Kara karantawa -
Theofar tana tsotse ƙofar saman don samun wane bambanci
Theofar tana tsotar ƙofar don samun wane bambanci Ana amfani da saman ƙofar a cikin bayan gida, saboda haka ana amfani da ita a bayan gida saboda ba za ta yi tsatsa ba. Gabaɗaya ana shigar da kofa a ƙofar bayan gida. Bambancin shine saman kofa wani ...Kara karantawa -
Rabawa da kayan ƙofar ƙofa
1. Rarraba: matsakaitan matsakaitan ƙofa mai dindindin ya kasu kashi iri na bango da nau'ikan hawa na ƙasa bisa ga tsarin shigarwa, nau'in filastik da nau'in ƙarfe bisa ga kayan; an raba cushewar kofofin lantarki zuwa nau'ikan daban-daban. Kayayyakin shigarwa sun kasu ...Kara karantawa
