Mafunso ndi mayankho omwe nthawi zambiri amakumana nawo ogulitsa nyali
Zomwe zimagwiritsidwa ntchito kwambiri ndi magalasi, nsalu, zitsulo, ndi zina zotero.
1. Ndi electroplated.Nthawi zambiri zokutidwa ndi golide, chrome, faifi tambala ndi zipangizo zina, izo sizidzataya mtundu wake.
2. Uwu ndi utoto wophika, osati plating, utoto wa chipolopolo chagalimoto ndikuwotcha utoto, sudzataya mtundu.
Chitsulo.Zachotsedwa mafuta, zowonongeka, zowonongeka ndi golide (kapena chrome-plated, nickel-plated, enamel yophika, etc.), kotero kuti sizichita dzimbiri kapena oxidise.
Magetsi athu onse, kuphatikizapo mawaya, ndi UL, CE ndi 3C ovomerezeka ku USA, kotero chonde khalani otsimikiza.
Chitsulo ndi mkuwa sizichita dzimbiri ngati mapeto ake ali abwino, koma ngati sichoncho, mkuwa udzakhala ndi okosijeni, umasintha ndi kuwoneka wobiriwira wamkuwa.
Poyerekeza ndi utomoni, chitsulo chimatha kunyamula bwino kwambiri, ndipo chimakhala ndi mawonekedwe abwino komanso olemera kwambiri kuposa utomoni.
Tilibe zitsulo zosapanga dzimbiri, koma chitsulo chimakhala ndi zotsatira zofanana ndi zitsulo zosapanga dzimbiri pambuyo pochiza.
Mtengo wa nyali sumangodalira mtengo wazinthu zopangira, koma makamaka pakupanga kwake ndi kalembedwe.