When a plumb line contracts impurity, how many handbreadths of its strand are considered joined to it?
Halacha 2 states that when a plumb line contracts impurity, the twelve handbreadths of its strand are considered as joined to it.
Question 2
What is the minimum tying needed to make a bed cord considered joined to the bed?
Halacha 5 states that when is the cord used to tie bed supports considered joined to the bed — when one ties three squares.
Question 3
A bedpost with zav-impurity is connected to a pure bed — what happens to the bed?
Halacha 11 states that when a bedpost deemed impure as a zav-support was connected to a pure bed, the entire bed is considered as such a support.
Question 4
How many handbreadths of a chain for a large bucket are considered joined to the bucket?
Halacha 14 (ch. 9) and halacha 2 (ch. 21) — the four handbreadths of a chain for a large bucket that are closest to the bucket contract impurity with the bucket.
Question 5
Plumb lines used by roofers and artists — what length of their strand is joined to them?
Halacha 3 states that plumb lines used by roofers and artists are impure regardless of their length — the entire strand is considered joined.