Taxanaha PVK
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Nidaamka Matoorka Tooska ah ee Warshadaha oo leh Haanta Cadaadiska
Nadaamka biyaha dab-damiska ee PVK wuxuu isku daraa fududaynta, hufnaanta, iyo waxtarka kharashka leh sifooyin horumarsan sida beddelka sahayda korantada ee laba geesoodka ah. Doorashooyinkeeda kala duwan ee bamka iyo taangiga cadaadiska diaphragm ee muddada dheer ayaa ka dhigaya doorashada ugu habboon ee hubinta in la isku halleyn karo oo hufan biyaha dabka ee goobo kala duwan.