Na'urar hakowa na hydraulic na'ura ce mai tasirin pneumatic, wacce galibi ana amfani da ita don dutsen dutse da angin ƙasa, ƙasa, jiyya ga gangara, tallafin rami mai zurfi na ƙasa, rami kewaye da kwanciyar hankali na dutse, rigakafin zabtarewar ƙasa ...
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