Construction Inventions Around the World

12345678910
Across
  1. 4. Invented a new way of welding, referred to as "arc welding."
  2. 8. Patented the invention of large flowerpots reinforced by steel.
  3. 10. Floor of this army were paved with 230,000 bricks.
Down
  1. 1. This type of steel was named after an ancient type of blade.
  2. 2. Crucial construct from early France made of concrete.
  3. 3. The first bricks appeared during this era.
  4. 5. Famous The location of a famous rust-resistant iron pillar.
  5. 6. The first brick-making machine was made by:
  6. 7. Main component of concrete.
  7. 9. Accidently made steel.