Iyada oo koritaanka tignoolajiyada dahaarka, noocyada kala duwan ee mashiinnada daahan vacuum ayaa si tartiib tartiib ah u soo baxay, iyo mashiinada daahan vacuum ayaa si ballaaran loo isticmaalaa in warshadaha kala duwan, sida kuwan soo socda: 1. Codsiga ee daahan adag: qalabka goynta, caaryada iyo xidhashada u adkaysta iyo daxalka. - qaybo adkaysi u leh,...
Akhri wax dheeraad ah