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hard working written with white chalk on blackboard
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JPG 300 DPI
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Author:
dreamstime
License:
buy for Personal Use & Commercial
File Type:
JPG
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arduous
back
background
black
blackboard
blank
board
business
chalk
chalkboard
class
classroom
difficult
distressed
dogged
drawing
education
empty
frame
grave
grievous
hairy
hard
hardy
heavy
hefty
indomitable
labored
laborious
laboured
leaden
message
note
object
positive
relentless
retro
school
stalwart
text
texture
tough
white
with
wood
wooden
word
work
working
write
written