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# what i want to know is how tower cranes are put up.
shirely you need a crane to do so.
(I helped save b3ta! monstrinho do biscoito teeeshurts = www.nogunarmy.com, Thu 31 Jan 2008, 11:32, archived)
# no
science.howstuffworks.com/tower-crane4.htm
(Professor Yaffle now with added sodium, Thu 31 Jan 2008, 11:37, archived)
# WTF?
the crane lifts itself? excuse me i have to fly home now by pulling hard on my shoelaces
(I helped save b3ta! monstrinho do biscoito teeeshurts = www.nogunarmy.com, Thu 31 Jan 2008, 11:47, archived)