NJENGEvalve: Inkokeli kubaxhasi bevalve yebhola yaseTshayina
Ngophuhliso olukhawulezayo lwecandelo loshishino, iivalve zebhola zisetyenziswa ngokubanzi kwipetroleum, imichiza, igesi yendalo kunye namanye amashishini. Ke ngoko, kubaluleke kakhulu ukukhetha umboneleli olungileyo wevalve yebhola yaseTshayina. Eli nqaku liza kwazisa i-LI...
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