Keilim 8:10-11

Keilim 8:10

Let’s say that someone (person A) who has food or drink in his mouth had touched another person (person B) who was rendered ritually by a corpse. (This renders person A the first degree of impurity.) If person A (with his mouth full) sticks his head into the airspace of a ritually-clean oven, the impure contents of his mouth render the oven unclean. Similarly, if a ritually-clean person had food or drink in his mouth and he stuck his head into the airspace of a ritually-unclean oven, the contents of his mouth are rendered impure. If a person was eating a cake of figs without first washing his hands (so that they are a second degree of impurity) and he then put his hand in his mouth to remove something, Rabbi Meir says that the figs are rendered unclean (transmitted from the hand by the eater’s saliva), while Rabbi Yehuda says that they remain clean. Rabbi Yosi says that if the person turned the fig over in his mouth, it is rendered impure but if he didn’t, it remains pure. If he had a pundion (a small coin) in his mouth, Rabbi Yosi says that if he put it there to make his mouth water, then the fig is rendered impure.

Keilim 8:11

If milk that dripped from a (ritually unclean) nursing mother fell into the airspace of an oven, the oven is rendered unclean because liquids convey ritual impurity regardless of whether they were introduced intentionally or unintentionally. If she was sweeping out the oven and a thorn pricked her, causing her to bleed, or if she burnt herself and stuck her finger in her mouth (touching her saliva), the oven is likewise rendered unclean.