Kwv yees li ntawm kwv yees li ntawm 20 milliliters ntawm butane yuav ua rau lom. Nyob rau hauv cov kev tshwm sim ntawm ib tug me nyuam poob consciousness, Nws yog imperative txav sai kom deb ntawm qhov chaw uas muaj tus kab mob no rau ib qhov chaw zoo ventilated chaw rau administer artificial respiration. Tam sim ntawd cov kev kho mob tam sim ntawd yuav tsum tau sought, thiab tus kws kho mob yuav siv cov kev ntsuas thaum muaj xwm ceev raws li qib uas kis tau tus kab mob no.
Tab sis yog tus concentration ntawm tiam sisane Nyob rau hauv cov teeb meem uas tsis tshua muaj, thiab txwv tsis tau yog kis tsis tau lom, Nws tseem ceeb heev uas yuav tau xyuas kom meej tias cov me nyuam tsis tau mus saib tau los yog inhale ntev npaum li cas, Raws li qhov no yuav yog detrimental rau lawv kho mob.