A homeowner's funnel versus a perfumer's funnel — which is susceptible?
Halacha 2: a homeowner's funnel is pure; a perfumer's funnel is susceptible because he turns it on its side so customers can smell the fragrances, making it a display receptacle.
Question 2
A cover for a wine jug — is it susceptible?
Halacha 3: covers for jugs of wine, oil, and barrels are pure because they were not made to serve as receptacles.
Question 3
A boat made from earthenware — is it susceptible?
Halacha 8: a boat made of earthenware is not susceptible because a boat is not in the category of vessels susceptible to impurity.
Question 4
Shards found in a potter's workshop — are they presumed pure or impure?
Halacha 15: shards found in a potter's workshop are presumed impure because the majority are from vessels intentionally formed.
Question 5
A small earthenware cruse breaks — what is the minimum capacity for the remaining shard to be susceptible?
Halacha 14: when a small earthenware container breaks, if there remains a shard that can hold even the slightest amount, it is susceptible.