What are the halachas of building and destroying in conjunction with כלים (utensils).
(Melting ice.) melting ice that is sitting on top of a drink. (E.g. on top of water, orange juice, grape juice, etc.); the difference...
using Post-It notes, Scotch tape, adhesive notes, etc. on Shabbos;
hanging window shades; Venetian blinds; picture frames on Shabbos.