the engineers in the workplace are inspecting the specifications of buildings, apartments, and residences. - 石屎 個照片及圖片檔建築業, 建築地盤, 建築工人
close-up of cement mix for construction use, concrete pouring during commercial concreting floors of building in construction site. - 石屎 個照片及圖片檔紅毛泥, 差異
window shadow drop on white color old grunge wall concrete texture as background. - 石屎 個照片及圖片檔背景 - 主題, 牆 - 建築物特徵
basement waterproofing. worker sealing cracks in basement floor to prevent flooding and mold. - 石屎 個照片及圖片檔土庫, 修理, 建築地盤
