英文關鍵字
architecture
blue
break
buckets
building
bushes
business
center
city
clean
cleaner
cleaning
construction
danger
dangerous
day
equipment
exterior
extreme
facade
glass
height
helmet
high
highrise
hot
industrial
industry
job
juniper
lie
lunch
maintenance
modern
mop
nobody
occupation
office
orange
outside
professional
protective
reflection
risk
safety
service
skyscraper
structure
summer
tower
urban
wash
washer
washing
window
windows
work