Ma volvel a Gulugufe ndi aubiquitous m'mafakitale ambiri owonera bwino maulendo ndi kuphweka. Gawo lovuta lomwe limatsimikizira kugwira bwino kwa mavuvuyi ndiye mpando wa Valve. Munkhaniyi, tiona mpando pa rav ya gulugufe
(Mafotokozedwe achidule) Kusamala kwa kukhazikitsa ndi kukonza ma valves a chitetezo: Kusamalira makina otetezeka: (1) valani ya chitetezo chokhazikika:
Khalidwe labwino kwambiri ndi labwino kwambiri, logwirizana ndi malongosoledwe a wogulitsa.it sichingayembekezere. Tikuyembekezera mgwirizano wotsatira.