英文關鍵字
adult
architect
architecture
bearded
builder
building
caucasian
cell
construction
constructor
design
development
engineer
engineering
foreman
handsome
hardhat
helmet
industrial
industry
inspection
inspector
installation
looking
male
man
mobile
occupation
outdoors
person
phone
plant
portrait
power
professional
protection
safety
site
smartphone
sun
supply
talking
technology
work
worker
workman