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Let's work out how to power this craft! |
This looks like hard work but great fun! |
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That's it boys. TEAMWORK. |
Plenty of teamwork going on here. |
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Sail power in the making. |
Hold on, let's think about what we're doing. |
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Why don't we adapt what we've got to make it better? |
Let's test these vessels. |
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Anxious eyes await the results. |
More results coming in fast. |
