(Boneh-בונה Ep. 121) (#841) (Temporary Ohel) Movable machitzas. Working with protective gates on the top of stairs. A halachic divider put up in a bedroom.

is there a difference between metal bottle caps with a ring and plastic bottle caps with a ring. Lettering on numbers going from the...

(Melting ice.) Introduction to the problem with melting ice and snow on Shabbos.

(Melting ice.) freezing dry foods; freezing ice pops; automatic ice makers; freezing liquids not to lose taste or not to get spoiled;