Qaybaha laba-boolal ee flange-ka ah waxay ka kooban yihiin housing leh 2 godad oo loogu talagalay rakibidda iyo ball side oo lagu dhejiyay bartamaha housing-ka. Flange sidees-ka waxaa loogu talagalay in lagu dhejiyo wejiga/bulkhead toosan ama toosan iwm. Housing-ka waxaa laga sameeyay bir la shubay iyadoo qalabka la isugu keenay uu ku habboon yahay isticmaalka quwadda yar.
