Peb muab ntau yam ntawm cov khoom xws li thoob cov hniav, hniav adapters thiab xauv tus pin thiab nplhaib rau excavators.Lub thoob cov hniav tuaj yeem siv rau feem ntau ntawm cov qauv excavator.Peb kuj tseem muab cov kev daws teeb meem rau kev tsuas, kev tsim kho vaj tse thiab lwm yam kev lag luam nyuaj rau kev siv.Cov hlau zoo thiab cov kev tswj xyuas nruj nruj ua rau cov khoom lag luam tsom mus rau kev ua haujlwm zoo thiab ua haujlwm ntev.Txhua qhov chaw tau dhau qhov kev xeem nruj tshaj plaws.