上部構造
barrierm wood
area
background
barricade
boundary
brown
building
building walls
concrete
curtain wall
delineates
division
drawing
drywall
exterior boundary walls
fence
graphic
illustration
image
isolated
loadbearing
panelling
partition
protection
protects
retaining walls
science
scientific
sections
separates
separation
solid
space
structure
vertical
white
wooden