Official Answer
Answer
Karkatawa yana faruwa idan magudanar ruwa ba ta yi amfani da kaya iri ɗaya ba a kewayen kewayenta. Yawancin lokaci ana yin hakan ta hanyar amfani da maɓuɓɓugar ruwa mai juyowa ɗaya tare da rata. Don rage wannan a cikin madaidaicin madaidaicin filaye na gani, ana amfani da bazara mai juyi-zuwa-crest ko maɓuɓɓugar ruwa, yayin da suke samar da ƙarin wuraren tuntuɓar (taguwar ruwa). Bugu da ƙari, shimfidar mating ɗin ya kamata ya sami juriyar lebur mai kwatankwacin tsayin igiyar ruwa. A wasu lokuta, ana sanya wanki mai 'tsakanin kaya' tsakanin bazara da abin da ake buƙata don matsakaita kowane bambancin kaya na gida daga kololuwar bazara.
