Reference for Yoma 54:3

מתקיף לה ר' זירא וכי יש לך עבודה שכשירה בלילה ופסולה בזר

R'Ze'ira demurred to this: But is there not a service which may be performed also at night and which a non-priest would render invalid? Surely, there is the smoking of the limbs and the fat-pieces.<span class="x" onmousemove="('comment',' V. supra 24a.');">²</span>

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