UNIT 6

4. (n): A person who designs, builds and fixes things like bridges and tunnels.
5. (n): A very tall machine that moves heavy objects with its long arm.
6. (v): To make a hole in something
7. (n): A big tractor with a blade at the front to clear the ground.
9. (n): A long narrow flat piece of wood that is used for making floors
11. (n): An act of travelling from one place to another
12. (n): The name of a shape. Bridges are sometimes made in this shape.
13. (n): A long piece of wood or metal above the bridge. It keeps the bridge from falling down.
14. (a): Massive

1. (a): Very pleased
2. (n): An enormous tube that goes through a mountain or under water.
3. (v): To go from one place to another, especially over a long distance
5. (n): Thick strong metal rope used on ships, for supporting bridges.
8. (n): A big machine that digs holes in the ground and moves mud.
9. (n): A big piece of wood or metal below the bridge. It keeps the bridge from falling down.
10. (n): Building material that is made by mixing together cement, sand, small stones and water.