Used from 1000BC to ancient china and still used till this day. Pontoon bridges. They were used on December 11th 1982 Union engineers tried to cross river. Pontoon Bridges are quickly built and Union army was able to move into the town.
Why were the bridges created?
- They were used to cross rivers. They can be put together and taken away quickly quickly. They were used to cross rivers in the south when there was war and other wars and just in general.
How are they built?
- Connected with planks and rope with chess with small boats lying under boards .
How are they reusable?
- They are reusable because they can be taken down and put together quickly.
Great work Emalea, and good recall from the video clips. I can tell you have a clear understanding of what a pontoon bridge is used for. How or when were they described in our novel, can you remember?
ReplyDelete- Miss Birtch