英文關鍵字
activity
alarm
architect
blueprint
builder
building
business
ceiling
check
construction
contractor
cooperation
engineer
engineers
expertise
fire
for
home
indoor
industry
inside
job
list
maintenance
man
manager
men
paper
people
plan
planning
professional
repair
safety
security
service
side
site
sprinkler
teamwork
together
two
uniform
woman
work
worker
working