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1. Foods absorb from each other only when subject to heat.
2. There is a dispute about whether a hot item that falls into a cold item, or a cold item that falls into a hot item, transfers its taste to the other.
3. Even Shmuel agrees that a hot item that falls into a cold item has a minor effect.
4. Salting is considered to cause absorption in the same way as boiling.
5. Similarly, if one pickles a forbidden food and a permitted food together, it is as if he cooked them together.
A BIT MORE
1. Accordingly, when two cold foods come into contact, no absorption occurs.
2. Rav: The top item determines whether there is absorption, and therefore when a hot item falls into cold, absorption occurs, while in the opposite case it does not. Shmuel: The bottom item determines whether there is absorption, and therefore absorption occurs only if the bottom item is hot.
3. Even though Shmuel says that the bottom item determines absorption, if the top item is hot and it falls into a cold item, one must scrape away a layer from where the contact occurred. If both are cold, it is necessary only to wash the items, after which they are both permitted.
4. This is true only when the item is salted to the point where people consider it too salty to be eaten.
5. Accordingly, if meat and milk are pickled together, it is as if they are cooked together and the entire mixture is forbidden.
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