Ukuzungezisa ngaphandle noma ngaphakathi kwenza ukufaka kube lula futhi konga isikhala
Ihlanganisa isibambo se-valve ukuvimbela ukuvuleka kwe-valve ngengozi
Idizayini ezungezayo ehlukile ivumela ukufakwa kalula ngisho nasezikhaleni eziwumngcingo
Ukuze uthole ama-valve esango le-stem akhuphukayo, idiski ephakathi ingase ikhishwe
Imodeli ngayinye ingazungeziswa ibe yivolumu encane ukuze ingene kukhithi yokuphepha
Imodeli ngayinye ingafakwa kumodeli ekhudlwana ukuze konge indawo yokugcina
Abasebenzi abaningi bangasebenzisa amakhukhi abo okuphepha kanyekanye
Isikhathi sokuthumela: Jan-10-2022