Techno Exhibition part 33

lautenglye (54)in #science • 6 years ago

Air maze that applying in pipes :)

#family #kid #video #news

6 years ago in #science by lautenglye (54)

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flowerwong66 (50) 6 years ago

nice discovery.......another smart design :) love it

lautenglye (54) 6 years ago

thanks my friend :)

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flowerwong66 (50) 6 years ago

u r welcome

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lautenglye (54) 6 years ago

:)

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flowerwong66 (50) 6 years ago

great :)

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lautenglye (54) 6 years ago

:) great :)

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