Question 30 Which traditional visual aids combine the advantages of posters and dry-erase boards?
32.Which traditional visual aids must be correctly placed upright before you use them?
Document and Visual Design - kelly, Monday, April 26, 2010 at 8:43pm
you can write on them like dry erase boards and they are displayed on a wall like a poster. like visual or whatever
32. dry erase boards.
you have to usually mount them on a wall for the class to see before you use it.