機器
black
buffing
business
busy
chemical
cleaner
cleaning
cleanliness
commercial
corridor
daily
decking
detergent
dirty
dust
electric
employed
equipment
exterior
floor
granite
hotel
house
industrial
job
labor
man
marble
occupation
office
outdoor
people
person
polisher
polishing
professional
public
resort
rotation
scrub
scrubber
service
space
wash
water
wet
white
work
worker