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| regarding | user | just commented |
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| Not Content With Mere Hovering, This Homemade Hybrid Hover-Plane Lifts Off | otoko_tenshi | but can hovercraft drive on |
| Video: Helicopter with Rocket-Powered Rotors Could Go on Sale This Year | C.S.Thorne | This looks so cool. From far |
| Video: Boeing 747 Withstands Simulated What-If Underwear Bomber Blast | meatsack | "But the experts said that |
| A New Breed of Medical Screws Dissolve In Body and Promote Bone Growth | Dr_Nat | Sorry, I have metal screws |
| Guess This Tool, Win a Tool #6 | RUP747 | Lancer2k is spot on, the |
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