Moses and Aaron did so. As Yahweh commanded them, so they did.
TSK
TSK · Exodus 40:16
Treasury of Scripture Knowledge references in WEB.
According to all that Yahweh commanded Moses, so the children of Israel did all the work.
He set the turban on his head; and on the turban, in front, he set the golden plate, the holy crown; as Yahweh commanded Moses.
He washed the innards and the legs with water; and Moses burned the whole ram on the altar. It was a burnt offering for a pleasant aroma. It was an offering made by fire to Yahweh; as Yahweh commanded Moses.
Whether it was two days, or a month, or a year that the cloud stayed on the tabernacle, remaining on it, the children of Israel remained encamped, and didn't travel; but when it was taken up, they traveled.
Whatever thing I command you, that you shall observe to do: you shall not add thereto, nor diminish from it.
teaching them to observe all things that I commanded you. Behold, I am with you always, even to the end of the age." Amen.