英文關鍵字
adult
architect
attractive
banner
blue
builder
building
business
caucasian
closeup
construction
consultant
contact
corporate
crane
development
electrician
energy
engineering
face
facility
factory
foreman
helmet
home
house
industrial
industry
internet
job
logistics
man
manufacturing
mechanic
mobile
occupation
people
plan
plant
portrait
production
professional
project
safety
smile
technical
technology
worker
working