(Boneh-בונה Ep. 22) (#742) Important cases in conjunction with items that are made to put on and take off.

Various Halachas of Putting Together Dates, Figs, etc. Indoors. (This Shiur Is 10 Min. Long Not 20);

removing the thin piece of silver-foil or plastic which is on top of a yogurt, leben, coffee jar, etc.

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