英文關鍵字
mountaineering
industrial
window
cleaning
worker
climber
height
washing
office
building
home
house
work
cleaner
service
alpinism
cleanliness
glass
alpinist
industry
climbing
clean
outdoor
outside
city
professional
occupation
high
danger
helmet
facade
exterior
maintenance
construction
equipment
low
angle
view
below
bottom
man
person
people
male
men