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viktoza
Їздити на велосипеді в 3 рази легше, ніж ходити пішки!
Feb 09, 2011 10:31
Did you know that the bicycle is the most energy efficient transportation mode? It is 3 times more efficient than walking, 5 times more efficient than using the train and 15 to 20 times more efficient than driving a car.
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велосипед
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lvivska_plosha
February 9 2011, 08:41:42 UTC
перевірено досвідом
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1inuxoid
February 9 2011, 11:25:35 UTC
energy efficiency is not easiness :P
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woliruk
February 9 2011, 11:36:03 UTC
+1)
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