英文關鍵字
adult
ancient
architecture
autumn
before
bricks
builder
building
business
castle
caucasian
checking
civil
clothing
construction
content
contractor
control
cooperation
day
design
engineer
engineering
foreman
gear
grass
guy
hard
hat
helmet
in
industry
inspector
jacket
male
man
men
near
occupation
outdoor
pc
people
person
phone
pictures
plain
plan
professional
protection
restoration
ruins
safety
site
smart
tablet
take
talking
using
vest
wall
worker