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Menene kwalkwali walda?
Walda hula kwalkwali ne da ke kare fuska, wuya da idanu daga tartsatsi masu haɗari da zafi, da kuma hasken infrared da ultraviolet da ke fitowa a lokacin walda.Babban sassan biyu na kwalkwali na walda sune kariya ...Kara karantawa -
Arc waldi inji
An raba injunan waldawar Arc zuwa na'urorin walda na baka na lantarki, injunan waldawar arc da ke karkashin ruwa da na'urorin walda masu garkuwar gas bisa hanyoyin walda;Dangane da nau'in electrode, ana iya raba shi a cikin ...Kara karantawa
