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Q18: _ are the vertical boards between the
Q19: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9360/.jpg" alt=" The accompanying figure
Q20: The _ are the surfaces one steps
Q21: Nearly all stair details include a notation
Q22: _ stringers are cut in a sawtooth
Q23: _ are the main support members of
Q25: The _ of the stairs is the
Q26: Section 3.11.5.3 of the International Building Code<sup></sup>
Q27: The accompanying figure shows basic stair parts.
Q28: The _ of the stairs is the