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Dragonfly wing pattern reinforces vaults and domes better than ancient Roman and tech-generated methodsFinally, the fifth, biomimetic pattern comes up in turtle shells, dragonfly wings, and elsewhere, but not in its ...
Don’t get stuck with an unsafe boat needing costly repairs. Insure your 1996 Dragonfly Sailboats Inc 800 SWING WING for just $100/year*. More freedom: You’re covered on all lakes, rivers and oceans ...
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