Ib rab phom yog ib yam khoom siv ua kua los yog compressed cua kom tso tawm sai li lub zog. Muaj ob hom tshuaj tsuag phom: hom twj tso kua mis thiab hom pressurized. Kuj tseem muaj cov phom phom siab, phom phom carlo, thiab cov phom tua tsis siv neeg rov qab.
Daim ntawv thov ntawm rab phom tsuag hauv kev lag luam tuaj yeem raug ntsia ncaj qha nrog cov xim, uas yog, rab phom yooj yim tuaj yeem ntsia tau rau hauv cov cuab yeej siv tsis siv neeg, xws li tsis siv neeg kua nplaum tshuab, tsis siv neeg kua nplaum txheej tshuab, tsis siv neeg pleev xim tshuab, txheej tshuab thiab lwm yam. tshuaj tsuag cov cuab yeej.
