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The picture on the board

It is interesting to raise a hand to wipe a masterpiece ...




Source:
school board chalk drawing
Many dog ​​owners are constantly seeing this picture
Mythology
We're all right !!!
Internet
Creative chalk on a blackboard
Original designs cork Board for notes
Boards in the classrooms of prestigious institutions of quantum mechanics (4 photos)
Chalkboard Pad technology from the past
Russian school — nervous kids
"The Adventures of Electronics"
...
Many dog ​​owners are constantly seeing this picture
...
Mythology
...
We're all right !!!
...
Internet
...
Creative chalk on a blackboard
...
Original designs cork Board for notes
...
Boards in the classrooms of prestigious institutions of quantum mechanics (4 photos)
...
Chalkboard Pad technology from the past
...
Russian school — nervous kids
...
"The Adventures of Electronics"
 It is better to sit  Removing a Volvo from the bottom of the Moscow River