大型建築物の杭基礎工事で杭施工機による掘削と油圧ショベルで排土する作業
Keywords
groundwork,
dig,
construction site,
construction,
picket,
basic,
footing,
heavy equipment,
backhoe,
dirt,
dirt,
hole,
boring,
auger,
working,
working man,
construction worker,
architecture,
building,
civil engineering,
establishment,
under construction