Ungayikhetha njani ivalve yeGlobe?Ivalve yeglowubhu sisivalo esisetyenziselwa ukulawula ukuhamba kolwelo kumbhobho.Ezaziwa ngobuchule bazo obukhethekileyo bokulawula ukuhamba kolwelo, zisetyenziswa kakhulu kumashishini afana nokusetyenzwa kweekhemikhali, i-HVAC, kunye neoyile negesi.Ukukhetha ivalve yeglowubhu efanelekileyo yakho ...
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