When one leg of a bench is removed — does it lose susceptibility to midras impurity?
Halacha 1 states that when one leg of a bench was removed, it is still susceptible to midras impurity. If both legs are removed, it is pure.
Question 2
A builder's mixing trough used for sitting — is it susceptible to midras impurity?
Halacha 6 states that a mixing trough made for building materials is not susceptible to midras impurity even though it is susceptible to other impurities and even if used as a seat.
Question 3
Half of a bed is stolen after it contracted midras impurity — what is the status of the remaining half?
Halacha 11 states that when half of a bed was stolen or lost, or brothers divided it, it is pure.
Question 4
How can an impure bed be purified through immersion?
Halacha 13 states that even when an entire bed contracted impurity, if it was immersed component by component, it is pure.
Question 5
When the coating of a chair is removed — under what condition does the chair become pure?
Halacha 3 states that when two coatings, one next to the other, are removed, the chair is pure — it can no longer be sat upon.