英文關鍵字
adult
architect
architecture
background
beard
bearded
builder
building
business
caucasian
civil
construction
contractor
engineer
engineering
equipment
finger
foreman
glasses
hand
hard
hardhat
hat
helmet
helmets
holding
industrial
isolated
jacket
job
male
man
manager
modern
people
person
portrait
professional
protection
protective
reflecting
safety
security
tablet
technology
typing
wearing
white
work
worker
yellow