建築現場、建物の鉄鋼フレーム
Keywords
architecture,
site,
building,
frame,
steel,
metal,
construction,
basic,
mounting,
grand,
welding,
rope,
scaffold,
working,
japan,
asia,
operation,
process,
concrete,
redevelopment,
countryside,
mast,
suppression,
dangerous,
safe,
permission,
rig,
mechanism,
equipment,
tool,
property,
contract,
law,
trade,
investment