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• 17:45, 18 September 2016 diff hist 0‎ Hot Air Balloon Competition ‎ →‎Materials with Price List
• 17:43, 18 September 2016 diff hist 0‎ File:Balloon.pptx ‎ uploaded a new version of "File:Balloon.pptx": the unit for the price of the Kevlar string and the Adhesive tape was changed to per 30 cm to keep consistent with the unit for the volume restriction which is in m cubed.

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