how much wieght did it hold and what were the specifications for building it?
hi there..I I have seen all this bridge pictures…and if you dont mind would you …give me how we can define the hight of the bridges..how if we use the angle 60 degrees from the bottom if that correct or no..? thanks for your attention
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how much wieght did it hold and what were the specifications for building it?
hi there..I I have seen all this bridge pictures…and if you dont mind would you …give me how we can define the hight of the bridges..how if we use the angle 60 degrees from the bottom if that correct or no..? thanks for your attention