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Across 2. a way to see through walls 3. something with 4 legs and a top 5. distance on a drawing compared to real distance 6. an object with three sides 8. a six sided object 10. ten millimetres 11. circle shaped marks 14. a way to get into a building 15. vertical barrier between rooms 17. a four sided object 18. five sided object

Down 1. one thousand of these is one metre 4. large animal with a trunk 7. good things to sit on 9. object with eight sides 10. electronic machines that work for us 12. two lines the same distance apart 13. long thin shapes 16. making a picture of something on paper with a pencil