Various halachas pertaining to our fourth category "kevashim/shlokos" (preserved and cooked foods).
What Is the Best Way to Get Rid of an Insect on Shabbos?;
Blowing Dust Off a Sefer, Shelf, Table, etc.
Is One Allowed to Carry (With an Eruv) a Sweater to Shul for After Shabbos? Taking the Key When You Could Hide It;