英文關鍵字
accuracy
aluminum
building
cable
carcass
carefully
ceiling
complex
construction
corrugated
difficult
elevation
floating
frame
framework
grey
heavy
home
hung
insure
job
labor
lowered
maintenance
measure
metal
mounted
occupation
precision
profiles
quality
reliable
repair
roof
room
safe
set
setup
skeleton
strong
system
tilt
top
underroof
wall
wide
wideangle
wire