Which Of The Following Consists Of A Top Rail - Midrail - And Posts; Must Be 42 Inches In Height From The Upper Surface Of The Top Rail To Floor And A Midrail Height Of The 21

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1. Which Of The Following Consists Of A Top Rail - Midrail - And Posts; Must Be 42 Inches In Height From The Upper Surface Of The Top Rail To Floor And A Midrail Height Of The 21