Dab-damiska FM UL 240N Grooved Concentric Reducer waa badeecad tayo sare leh oo loogu talagalay nidaamyada ilaalinta dabka. Waxaa lagu sameeyay injineer sax ah, yareeyaha diirada saaraya jeexjeexan wuxuu hubinayaa qulqulka biyaha ama dareeraha dab-demiska ee aan sinnayn oo hufan.
