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education and learning background with 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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times
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and
back
backdrop
background
biology
black
blackboard
board
book
books
case
chalkboard
chemistry
class
classroom
color
colorful
concept
copy
education
elementary
empty
foreign
history
homework
icon
language
learn
learning
lesson
math
negative
pen
pencil
pens
physics
retro
room
rough
school
science
space
stack
stationery
student
study
studying
supplies
teacher
template
texture
tools
university
vintage
wallpaper