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about 150 working hours
25 years
25 years
it took 50 years to build it was the wrights plane
It depends on which model are you asking about.
2 years
5 weeks
Before you ask the questiion how long did it take to build, you must first ask yourself, "did they have enough financial support to build the International Finance Center?"
how long does it take to build a asimo
It would take me about 3 years
223 years
how long did it take to build the half moon