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Umlando we-galvanizing
Ngo-1836, i-Sorel yaseFrance yakhipha ilungelo lobunikazi lokuqala kwabaningi benqubo yokuhlanganisa insimbi ngokuyicwilisa kuZinc encibilikisiwe ngemva kokuyihlanza kuqala.Unikeze inqubo ngegama layo elithi 'galvanizing'.Umlando we-galvanizing uqala eminyakeni engama-300 edlule, lapho i-alchemist-come-chemist iphupha ...Funda kabanzi -
Imizimba yamapayipi kanye nokufakwa
Naphezu kokufana namapayipi asetshenziswa ekufakeni amapayipi, ukufakwa kukagesi okuklanyelwe inhloso kusetshenziselwa ukuxhuma ipayipi.Umzimba wombhobho ungasetshenziswa ukuze unikeze ukufinyelela okudonsayo ekugijimeni komsele, ukuvumela ukugoba okwengeziwe ukuba kwenziwe engxenyeni ethile yepayipi, ukonga i-spa...Funda kabanzi -
Amapayipi ensimbi amapayipi ensimbi okuhamba ngawo izintambo zikagesi nezintambo
Amapayipi ensimbi amapayipi ensimbi okuhamba ngawo izintambo zikagesi nezintambo.Inikeza ukuvikeleka okubalulekile ezintanjeni nasezintanjeni ekulimaleni nakunoma yimiphi imithelela.I-Henfen ihlinzeka ngamashubhu epayipi ekhwalithi ahlanganiswe nge-zinc ngokufanayo, idiphu elishisayo elikhanyiswe ngaphakathi nangaphandle.Kwenziwe ukuze...Funda kabanzi