Wax ka baro tusaha dhammaystiran ee jebiyaasha wareegga wareegga
Xakamaynta wareegga wareegga, ama VCBs, waa aaladaha beddelka koronto ee isticmaala tignoolajiyada vacuum si ay u gooyaan qulqulka korontada. Waxay bixiyaan faa'iidooyin badan oo ku saabsan wareegyada caadiga ah, oo ay ku jiraan waqtiyada jawaabta degdega ah, dayactir hoose, iyo dheer ...
eeg faahfaahinta