(Melting ice.) freezing dry foods; freezing ice pops; automatic ice makers; freezing liquids not to lose taste or not to get spoiled;
could we say that "קיימא (permanence) applies to תופר in conjunction with gluing, taping, sticking, etc.
Is One Allowed to Open Curtains or Venetian Blinds to Let in Sunlight if There Are Plants in the Room?;