How do you make a chalkboard permanent?

Related questions

1. How long does it take for Blackboard to update?
2. What is a blackboard?
3. Is blackboard a private company?
4. Does blackboard work on iPhone?
5. Can you make a chalkboard?
6. What is Blackboard in college?
7. Is there a mobile app for Blackboard?
8. Why is it called blackboard?
9. What does invert selection mean?
10. Can you take Blackboard quizzes on iPhone?

Tags

1. #spray
2. #cover
3. #chalk
4. #surface
5. #hairspray
6. #entirely
7. #carefully
8. #drawings
9. #permanent
10. #least
11. #inches
12. #chalkboard