1 Chronicles 23:28-29 For their duty is to assist [the priests] the sons of Aaron in the service of the house of the LORD, in [caring for] the courtyards, the chambers, the purifying of all holy things, and any work of the | Amplified Bible (AMP)

1 Chronicles 23:28-29 AMP

For their duty is to assist [the priests] the sons of Aaron in the service of the house of the LORD, in [caring for] the courtyards, the chambers, the purifying of all holy things, and any work of the service of the house of God, and with the showbread, and the fine flour for a grain offering, and unleavened wafers, or what is baked in the pan or what is well-mixed, and all measures of volume and size [as the Law of Moses required].

Read 1 Chronicles 23