Fiberglass tank plhaub tshooj yog tsim ntawm lub chaw tsim khoom thiab compressed lossis "lav" rau qhov kev tso cai tsheb thauj mus los qhov ntev, xa mus rau cov neeg siv khoom ua haujlwm thiab sib dhos los ntawm kev sib khi. Cov tso tsheb hlau luam muaj npe “lub tso tsheb hlau luam oblate”