Boom & mkono wakugwetsa wofikira utali wapangidwa mwapadera kuti ugwetse nyumba zansanjika zambiri.Mapangidwe a magawo atatu amapangitsa kugwetsa boom & mkono kukhala wosinthika komanso wokhoza kufikira chandamale mu ngodya yofunikira.Nthawi zambiri amakhala ndi 35t ~ 50t excavator.M'malo mwa chidebecho, kugwetsa kwakutali kwambiri & mkono umatenga chometa cha hydraulic kuti ugwetse chandamale mosavuta.Nthawi zina, anthu amasankhanso chophatikizira cha hydraulic kuti aswe konkire yolimba.