Reference for Yoma 97:6

בעי רבי יהושע בן לוי חפן ומת מהו שיכנס אחר בחפינתו א"ר חנינא בא וראה שאלת הראשונים

-After having heard it, he raised it in objection [against R'Hisda]. But R'Hisda had cited a scriptural passage [in support]? - They served only the purpose of a portico.<span class="x" onmousemove="('comment',' The laymen served only the purpose of a portico, holding the bowls up to view, but not handing them to the altar.');">⁸</span>

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