An earthenware vessel with a hole through which liquids seep — what types of impurity can it still contract?
Halacha 1: if an earthenware vessel has a hole through which liquids can seep out, it is pure with regard to all impurity.
Question 2
What size hole must a barrel have to be pure with regard to corpse-impurity?
Halacha 2: the size of a hole necessary for a barrel not to contract impurity is one through which nuts would fall.
Question 3
When handles of a barrel are removed — even just one — what does the vessel become?
Halacha 6: when the handles of a barrel are removed, even if only one handle was removed, it is considered as a base placed under a container.
Question 4
A cracked base that can hold food but not liquids — is it susceptible?
Halacha 8: when a base to be placed under containers is cracked and not suitable to hold liquids, it is pure even though it is still suitable to hold food.
Question 5
A kettle with a hole patched with tar — is it susceptible?
Halacha 14: a kettle perforated and patched with tar is pure — tar cannot hold hot liquids as it holds cold ones.