Muaj Gases

Kev lag luam roj yog hu ua "ntshav" ntawm kev lag luam. Nws yog gaseous ntawm chav tsev kub thiab siab. Muaj ntau hom roj. Lawv tau siv dav hauv ntau yam kev lag luam, suav nrog tshuaj lom neeg, metallurgical, hluav taws xob, kev ua tshuab, aerospace, kev kho mob thiab kev noj qab haus huv, zaub mov thiab dej haus thiab lwm yam kev lag luam yooj yim, thiab ua lub luag haujlwm tseem ceeb hauv kev lag luam hauv lub tebchaws.