highway engineering; roadmaking. excavation procedure, grapple d

bailer bucket building construction digger digging dipper dirt dirtmoving dredger dump earth earthexcavation earthmoving earthwork earthworks engineering excavating excavation excavations excavator grab grading grapple ground haven highway job line making moving muckshifting navvy of operations power powershovel procedure removal road roadbuilding roadmaking scoop shovel trench truck work working works