Kodi vacuum cooler ndi chiyani?
Vacuum kuzirala luso ndi osiyana ndi zida ochiritsira firiji, ndi ozizira processing zida, ndi kudya, yunifolomu ndi woyera kuzirala ubwino.Kuchepetsa kutentha kudzera mu vacuum cooler kumatheka ndi kutuluka kwamadzi mwachangu pamene mphamvu ya mumlengalenga mkati mwa chipindacho imatsitsidwa ndi vacuum pump.Nthawi zambiri, zimangotenga mphindi 30 zokha kuti mufike kutentha koyenera kosungirako pafupifupi madigiri 5.