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Topic | Can an umbrella act like a parachute? |
Kyuubi4269 08/21/20 7:37:30 PM #2: | Yes, however the surface is too small, the frame too weak, and there's no vent to stop the stored air piling up deflecting still air from the trap on a standard umbrella. --- Doctor Foxx posted... The demonizing of soy has a lot to do with xenophobic ideas. ... Copied to Clipboard! |
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