英文關鍵字
across
alpha
authority
background
business
caucasian
channel
chroma
clean
cleaners
cleaning
concept
down
glass
green
hand
handed
holding
horizontally
housework
human
isolated
left
male
multiple
office
paper
people
person
right
rubber
scree
screen
springcleaning
squeegee
stamp
stamping
sweep
swipe
swiping
times
vertically
washer
washing
white
window
wipe
wiper
with
work