I-gas strut esetshenziswa ekamelweni le-vacumn

isiphethu segesi egumbini le-vacuum ukuhlinzeka ngokulawula ingcindezi, ukwesekwa kwemishini, ukudambisa ukudlidliza, kanye nokuma okunembile nokulawulwa kwezingxenye ngaphakathi kwegumbi, okuneqhaza ekusebenzeni kahle nokuthembekile kwezinhlelo ze-vacuum ezimbonini ezihlukahlukene, ezesayensi, nezocwaningo.