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.

Exodus 38:9
Then he constructed the courtyard. The south side of the courtyard was a hundred cubits long and had curtains of finely spun linen,

Numbers 4:27
All the service of the Gershonites--all their transport duties and other work--is to be done at the direction of Aaron and his sons; you are to assign to them all that they are responsible to carry.

And the hangings of the court, and the hanging for the door of the gate of the court, which is by the tabernacle and by the altar round about, and their cords, and all the instruments of their service, and all that is made for them: so shall they serve.