英文關鍵字
builders
building
equipment
plan
men
wearing
uniform
protection
hat
holding
tool
box
build
documentation
draft
characters
foremen
people
construction
contractor
job
worker
engineer
work
architect
professional
business
development
industry
labor
project
corporate
helmet
manufacturing
renovation
carpenter
protective
repair
architecture
blueprint
collaboration
electrician
employee
handyman
occupation
repairman
motion
graphic
animation
hd