Numbers 19:15
Every open vessel that has no covering fastened around it is to be considered unclean.
Leviticus 11:32
Furthermore, anything on which they fall when they're dead becomes unclean, whether on an article of wood, clothing, skin, or a sack. And any vessel used for any work is to be washed in water, because it has become unclean until evening.
Numbers 31:20
Furthermore, you are to purify every garment that is, everything made of leather, goat's hair, or containing wood."
Leviticus 14:36
"The priest is to command that the house be cleared before he comes to examine the contagion so that not everything in the house becomes unclean. After this, the priest is to enter the house and examine it.
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