Num 4:26

וְאֵת֩ קַלְעֵ֨י הֶֽחָצֵ֜ר וְאֶת־מָסַ֣ךְ פֶּ֣תַח שַׁ֣עַר הֶחָצֵ֗ר אֲשֶׁ֨ר עַל־הַמִּשְׁכָּ֤ן וְעַל־הַמִּזְבֵּ֨חַ֙ סָבִ֔יב וְאֵת֙ מֵֽיתְרֵיהֶ֔ם וְאֶֽת־כָּל־כְּלֵ֖י עֲבֹדָתָ֑ם וְאֵ֨ת כָּל־אֲשֶׁ֧ר יֵעָשֶׂ֛ה לָהֶ֖ם וְעָבָֽדוּ׃

the curtains of the courtyard, and the curtains for the entrance at the gate of the courtyard that surrounds the tabernacle and altar, along with their ropes and all the equipment for their service. The Gershonites will do all that needs to be done with these items.