27. According to the last instructions of David, the Levites were counted from those twenty years old or more.
28. The duty of the Levites was to help Aaron’s descendants in the service of the temple of the Lord: to be in charge of the courtyards, the side rooms, the purification of all sacred things and the performance of other duties at the house of God.
29. They were in charge of the bread set out on the table, the special flour for the grain offerings, the thin loaves made without yeast, the baking and the mixing, and all measurements of quantity and size.
30. They were also to stand every morning to thank and praise the Lord. They were to do the same in the evening