Reference for Niddah 52:16

בקדשים לא קמיירי

does not discuss holy things. But is there not [the following law]: It suffices for a cross-beam<span class="x" onmousemove="('comment',' Placed above the entrance to a blind alley in connection with the permissibility of the movement of objects on the Sabbath. ');">¹⁵</span>

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