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OpenStudy (anonymous):
Design a staircase that will safely get people between two floors. The height difference between the floors is 3.6 m, the length of the stairwell is 4.2 m and the width of the stairwell is 2.8 m. Building codes state that the maximum rise of a stair is 19 cm and the minimum tread is 25 cm.
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OpenStudy (mvpriest):
just build it or climb up there or Use the elevator
OpenStudy (mvpriest):
Its not that hard
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