Yana samar da ɗakin famfo tare da kurmin maƙogwaro da saƙon faranti don haka slurry zai wanke su.Yayin da yanki na ɓangaren giciye ya karu, ƙarar yana rage saurin ruwa kuma yana ƙara matsa lamba na ruwa.Babban maƙasudin na'urar ɗaukar hoto shine don taimakawa daidaita matsi na hydraulic akan shaft na famfo slurry.