Shabbat 83a and Shabbat 83b, finishing up the analysis of the kind of ritual impurity Hazal created for items of worship of powers other than Gd, seeing how it is or isn’t similar to sheretz (creeping vermin), zav (ritual impurity by virtue of bodily secretions or emissions), and met (the ritual impurity associated with those who have passed away), a reminder we construct such impurities with leniencies built in, because they are de-rabbanan, and then a brief discussion of the ritual impurity of ships, or lack of it.
