1. Have you seen the chalk and blackboard eraser?

2. Have you seen the chalk and the blackboard eraser ?

3. Brush glass with clean blackboard eraser, already clean and bright quick save effort.

4. The utility model relates to a dust-free blackboard eraser for teaching, which is composed of a handle, a rubber sheet housing, an eraser body, an eraser housing and an eraser.

5. The blackboard eraser has the advantages of simple structure, convenient use and sanitation, thereby being good for environmental protection.

6. The student dared not answer. So he intented to wipe by himself, but not find the blackboard eraser . The teacher shouted again: Where is white board?

7. Trying to fix the tie , he took a blackboard eraser and hammered a large tack through his tie into his chest.