Dhexdhexaadiyaha Vacuum sidoo kale loo yaqaanno vacuum switch tube, waa xudunta u ah dareemaha korantada sare.Shaqadeeda ugu weyn waa in la gooyo dahaar aad u fiican oo faakuum ah wareegga korantada sare iyo in la xakameeyo hadda si looga fogaado shilalka iyo khatarta.Waxaa inta badan loo isticmaalaa in gudbinta awoodda korontada iyo nidaamka xakamaynta qaybinta, sidoo kale loo isticmaalo biraha, macdanta, batroolka, warshadaha kiimikada, tareenada, baahinta, isgaarsiinta, warshadaha ee soo noqnoqda sare nidaamka qaybinta awoodda kululaynta.Waxaa lagu gartaa badbaadinta tamarta, badbaadinta alaabta, ka hortagga dabka, caddaynta qaraxa, mugga yar, nolosha dheer, kharashka dayactirka hooseeya, hawlgal lagu kalsoonaan karo iyo wasakh la'aan.Dhexdhexaadiyaha Vacuum waxa loo qaybin karaa noocyo kala duwan, mid loogu talagalay wareeg-jabiyeyaasha iyo kan kale ee wareejinta rarka, loogu talagalay xiriiriyaha, dib u soo celinta.