Leviticus 15:20

15:20 Anything she lies on during her menstruation will be unclean, and anything she sits on will be unclean.

Leviticus 5:2

5:2 Or when there is a person who touches anything ceremonially unclean, whether the carcass of an unclean wild animal, or the carcass of an unclean domesticated animal, or the carcass of an unclean creeping thing, even if he did not realize it, but he himself has become unclean and is guilty;

Leviticus 11:35

11:35 Anything their carcass may fall on will become unclean. An oven or small stove must be smashed to pieces; they are unclean, and they will stay unclean to you.