... camera, 6. fridge (refrigerator) , 7. camcorder, 8. TV, 9. cassette player, 10. vacuum, 11. computer, 12. air-conditioner, 13. fax machine, 14. photocopier, 15. walk man PRESENT- ATION 10 mins Task ... problems Ss may find difficulty in understanding the verbs used in certain structures. Materials 12 UNIT 5 - ENGLISH 10 English Teaching Group CoLoa High School– English textbook grade 10, blackboard. ... VOLUME button up or down. 6. If you don’t want to hear the sound, press the MUTE button. PRACTICE 12 mins Writing instructions - Ask Ss write instructions using the answers above and take much notice...