What is the minimum measure for a leather article to be susceptible to impurity?
Halacha 2 states that the measure for leather to be susceptible to impurity is five handbreadths by five handbreadths.
Question 2
A cloak that had contracted zav-support impurity is then made into a curtain — is it still susceptible to zav-support impurity?
Halacha 9 states that when a cloak that contracted zav-support impurity was made into a curtain, it is purified from that impurity — curtains are not sat or lain upon.
Question 3
What is the minimum size for a goat's hair fabric to be susceptible to impurity?
Halacha 2 states that the measure for a cloth of goats' hair to be susceptible to impurity is four handbreadths by four handbreadths.
Question 4
A cloth three handbreadths × three handbreadths with zav-impurity is divided in half — what happens?
Halacha 8 states that when a cloth three handbreadths by three handbreadths with zav-support impurity was divided, if each half is below minimum, both are pure.
Question 5
When a garment is immersed in a mikveh — when exactly is its purification complete?
Halacha 10 states that when a garment contracted zav-support impurity and was immersed in a mikveh, it remains susceptible until after nightfall that day.