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Cofferdam

technology Maturity 9-11

A cofferdam is a wall in the water.

Dam Coffer.jpg
Dam Coffer.jpg
It keeps the water out. This makes a dry spot to work. People use it to fix big ships. It helps us build things safely.
Cofferdam Olmsted Locks Ohio River.jpg
Cofferdam Olmsted Locks Ohio River.jpg
Can you imagine working in a dry spot under the sea?

51 words
🖼️ Images & Media (3)
File:Cofferdam Olmsted Locks Ohio River.jpg
Cofferdam Olmsted Locks Ohio River.jpg
File:Dam Coffer.jpg
Dam Coffer.jpg
File:Cofferdam TT A356.JPG
Cofferdam TT A356.JPG
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📚 Content adapted from Wikipedia | Readability: FK 12.5 | Vital Level 5