metal forming

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Across
  1. 2. a type of die restricted to simple shapes
  2. 6. forging operation used for making curved pipes
  3. 8. operation by in which coins
  4. 9. forging operation to increase length
  5. 11. helps blnak to fall freely
  6. 14. which reduces friction
  7. 15. a type of cutting operation
Down
  1. 1. operation to make sheet metals
  2. 3. operation to make raised design on surface
  3. 4. forging operation to increase crossection
  4. 5. forging operation which increase or decrease crosssection
  5. 7. starting material of rolling mostly
  6. 8. forging operation to get particular sahpe at one end
  7. 10. abliity to deform with out rupture
  8. 12. phenomena observed in pipes after bending
  9. 13. operation to make holes