CF101

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Across
  1. 3. Excellent electrical conductor
  2. 5. Colored writing fluid
  3. 7. Device that stores chemical energy
  4. 10. Heat-resistant inorganic material
  5. 11. Fiber obtained from sheep
  6. 12. Material made from wood pulp
  7. 15. Common building material
Down
  1. 1. Fired clay building material
  2. 2. Material used to make clothing
  3. 3. Thick paper product
  4. 4. Iron-based alloy
  5. 6. Ingredient used in concrete
  6. 8. Transparent amorphous solid
  7. 9. Fiber produced by silkworms
  8. 13. Lightweight metal
  9. 14. Natural plant fiber