Taxaddan oo taxanahan ah ee fan-qaabeeya fandled-ka ah ayaa sidoo kale loo yaqaan 'goggle vave', vall valve, vall valve, waana aalad ka goyn kara gaaska dhexdhexaadka ah ee loo baahan yahay GB6222-86 "Xeerarka Gaaska Warshadaha". Waxaa loo isticmaalaa Nidaamka dhuumaha dhexdhexaadka ah ee gaaska ee shirkadaha warshadaha iyo macdanta degmada, ilaalinta deegaanka iyo warshadaha kale, gaar ahaan kuwa ku habboon goynta gaaska sunta, waxyeelada leh iyo kuwa guban kara. Waxay kaloo ku habboon tahay in loo isticmaalo sida cirifka indha la 'dhamaadka dhuumaha si loo gaabiyo waqtiga dayactirka ama lagu xidho nidaam dhuumaha cusub. Marka la barbar dhigo aaladaha kale ee tuubbada ah ee ka go'ay dhuumaha, taxanahan taxanaha ah ee fan-qaabeeya fandheelleyda, miisaanka iftiinka, cabirka khafiifka ah, xawaaraha gaaska, iyo waxqabadka gaaska ee galka la isku halleyn karo.