Tashar famfo mai ɗaga wutar lantarki, wani nau'i ne na ƙarami da ƙarami hadedde tasha.Anfi amfani dashi azaman naúrar wuta don ɗagawa na hydraulic dadandamali dagawa, tarin motoci ne, famfo mai, haɗaɗɗen tubalan bawul, shingen bawul na waje, bawul ɗin hydraulic da na'urorin haɗi daban-daban (misali: accumulators).Idan aka kwatanta da tashoshi na hydraulic na yau da kullun waɗanda ke cimma buƙatun ka'ida iri ɗaya, yana da fa'idodin ƙaƙƙarfan tsari, ƙaramin ƙararrawa, nauyi mai nauyi, babban inganci, ingantaccen aiki, kyakkyawan bayyanar, babu zubarwa da ƙarancin farashi.

Na'ura mai aiki da karfin ruwa dagawa a yi amfani da babu makawa gamuwa da na musamman halin da ake ciki na ikon gazawar, idan a cikin gini gamuwa da wannan m halin da ake ciki kada ku damu, a cikin mota da kuma tanki alaka sassa da 2 Rotary kwayoyi, za a iya samu ta hanyar famfo wurin zama a kan m gaggawa zuriya. Bawul down: na farko gaggawar saukowar bawul murfin goro ya juya ƙasa, sannan a yi amfani da sukudireba a hankali a hankali counterclockwise screw sako-sako da na'urar saukowa na gaggawa don sanya nau'in kunnawa ƙasa, lokacin da mai kunnawa ya dawo matsayinsa na asali, sannan ƙara ƙara matsawar gaggawar dunƙule sannan ya rufe. Rufe layin goro daga baya.