1. Over head Projector

 2. LCD

 3. Television

 4. VCR

 5. Geometrical Figure

 6. Models

 7. Charts

 8. Maps

 9. Transparencies

 10. Slide projector

(11) Computer

(12) Printer

(13) Still Camera

(14) Digital Camera

(15) PA System

(16) White Board

(17) Flannel Board

(18) Micro Phone

(19) CDs and cassettes