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Umgaqo wokuSebenza kunye noKhetho loKhetho lweSicelo seFlange yokuHlola iValve
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Ivalve yeglowubhu, ekwabizwa ngokuba yiglowubhu, yeyevalve yokutywina ngenkani.Ngokomgangatho wevalve yasekhaya, imodeli yevalve yeglowubhu imelwe luhlobo lwevalvu, imo yokuqhuba, imo yoqhagamshelo, imo yesakhiwo, imathiriyeli yokutywina, uxinzelelo lwegama kunye nekhowudi yesixhobo somzimba.I...Funda ngokugqithisileyo
