Na'urar haka-haka ta kawai ake kira "Two Heads Busy". Jiki Compact, mai sassauci da sauri, gaba shovel da baya haka-a-inji, makamashi ceton inganci.
Haɗa hadaddun aiki daya jawo biyu aiki hannu, gabatarwa sauki aiki saboda yana da na kowa tsari, gaba karshen ne loading na'urar, baya karshen ne ganowa na'urar. A lokacin gini, mai aiki kawai yana buƙatar juyawa wurin zama don ƙare canje-canje daga mai ɗaukar kaya zuwa na'urar ganowa. Ana amfani da injin digging-in-one don yin hanyoyi da kulawa a birane da ƙauye, shimfidar kebul, aikin wutar lantarki da filin jirgin sama, samar da birni, samar da kayan aikin gona, samar da gidajen ƙauye, sarrafa dutse da kuma ayyukan gini daban-daban da ƙananan ƙungiyoyin gine-gine ke gudanarwa. "Babban aiki" an sanya shi a cikin ƙananan injiniya masu aiki da yawa, yawanci ana amfani da shi a cikin ƙananan ayyukan injiniya bayan ƙarshen babban aikin. Yana iya sanya da kayan aiki da kayan aiki da kayan aiki da yawa, don yin aiki mai yawa na hakar, ɗaukar kaya, karya hanya, daidaita wuri, hakar rami, sanya bututu da sauransu.

Har ila yau, lura: Lokacin da shovel digging-da-inji tafiya a kan m hanya surface, saboda sau da yawa buga haifar da dakatarwa kayan aiki da taya karuwa, haifar da juyawa juriya karuwa, idan aka kwatanta da yanayin tafiya a kan m hanya surface, man fetur amfani karuwa 30% -50%, saboda haka dole ne a gyara, kula da gini dacewa. A waje da gini na farko, dole ne a kula da canje-canjen yanayin hanya, zaɓi matsin lamba na taya mai dacewa don rage amfani da man fetur.