Name 2 cases mentioned in perek hameinach where it's muttar to break someone else's כלי on purpose

Say over the case that ravina learned out from today's ברייתא

Which type of wall did rav yochanan say the braisa was talking about? Answer in hebrew

Is the משנה on דף ל talking about where the water was absorbed, or not absorbed?

What are 2 types of cases where everyone agrees a person can do a דין by himself without בית דין?

Where in perek hameiniach does it mention poor people?

Without רבינא, I may have thought that in the case that reuven covered his own pit with shimon's cover, and shimon removed it, who would be חייב?

How do you say "handle of a shovel"?

List 4 things which are פטור בדיני אדם וחייב בדיני שמים

What's the word for making thorns stick out?

What's the reason that if someone hides a thorn in a weak wall, he is the one who's חייב if the owner of the wall knocks it down?

What's something that you're allowed to do, but if it caused damage, you're חייב