英文關鍵字
aerial
alone
apartments
architect
architecture
arm
background
bare
beard
builder
building
caucasian
ceiling
company
complex
concrete
construction
crane
development
drawing
economy
edge
engineer
floor
floors
foreman
growth
hand
helmet
houses
inspecting
look
man
materials
mixer
multistorey
one
plan
project
realtor
set
site
structures
team
tractor
walk
work
worker
young