英文關鍵字
adult
air
airduct
architect
background
blueprints
building
caucasian
computer
construction
corrugated
digital
ducts
electronic
engineer
foreman
hardhat
helmet
holding
home
house
hvac
industrial
industry
innovation
interior
looking
male
man
one
people
person
plan
protection
safety
saw
site
system
tablet
technology
tool
using
ventilation
white
window
work
worker
yellow