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It is very expensive to build a wind tunnel. Wind tunnels are very essential in testing planes. Scientists still have a lot to learn about wind tunnels. There are new ways to feed air to the test section.
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series lot fraction section
series lot fraction section
It is very expensive to build a wind tunnel. Wind tunnels are very essential in testing planes. Scientists still have a lot to learn about wind tunnels. There are new ways to feed air to the test section.
series lot fraction section
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