Numbers 19:15
Every open vessel, which has no covering bound on it, is unclean.
Leviticus 11:32
On whatever any of them falls when they are dead, it shall be unclean; whether it is any vessel of wood, or clothing, or skin, or sack, whatever vessel it is, with which any work is done, it must be put into water, and it shall be unclean until the evening; then it will be clean.
Numbers 31:20
As to every garment, and all that is made of skin, and all work of goats' [hair], and all things made of wood, you shall purify yourselves."
Leviticus 14:36
The priest shall command that they empty the house, before the priest goes in to examine the plague, that all that is in the house not be made unclean: and afterward the priest shall go in to inspect the house.
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