materials

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Across
  1. 5. PVC
  2. 7. a brittle insulator
  3. 8. alloy formed by iron and carbon
  4. 10. stop the passage of electrical current
  5. 11. adaptable
  6. 13. formed by copper and zinc
Down
  1. 1. material used to build houses with
  2. 2. fragile
  3. 3. A combination of different metals
  4. 4. a type of ferrous metal
  5. 6. a property of materials
  6. 7. a material used in wires
  7. 9. a ductil and expensive metal
  8. 10. ferrum
  9. 12. a polymer