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              [html]<thead><tr><td>Type of wave formation.</td><td>Oblique shock wave.....</td><td>Normal shock wave....</td><td>Expansion wave.</td></tr></thead><tbody><tr><td>1.</td><td>Table</td><td>State</td><td>________________________________________________________________________________________________________________________________________________________________________________________________________</td></tr><tr><td>Table</td><td>777777</td><td>P7777777777777777771</td><td>Table</td></tr><tr><td>Specification</td><td>Flow direction change...</td><td>‘ Flow into a corner,’ tursed into preceding flow.</td><td>No change...................</td></tr><tr><td>‘‘ Flow around turned away celing flow.</td><td>Presence</td><td>Effect on velocity and Mach number.</td><td>Decreased but still supersonic.</td></tr></tbody>
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