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blank blackboard with chalk drawing
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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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times
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advice
announcement
backgrounds
blackboard
blank
board
business
chaklboard
chalk
chalkboard
classroom
communication
down
draw
drawing
education
empty
frame
green
hall
horizontal
information
isolated
learning
message
objects
school
space
studying
teaching
university
write
writing