定額

construction site pouring concreteの素材 [FY31069539533]

機器 action activity architecture armature background blur builder building buildings bunker cement cementing concrete concreting construction contracting contractor design detail development dirty economic employment equipment fill finish fittings floor floors fluid foundation frame gray grey industry infrastructure installation job jobs level light liquid machinery master material mesh metal mixing monolithic pattern pavement pipe pour process professional project public public works rebar reinforcement renewal rough service site smooth stable steel stone structure surface urban variation wall wet work worker working workman