(Melting ice.) the accepted ruling with putting ice or frozen drinks into a warm area; defrosting dry foods in a warm area;
Is There a Problem with Spreading Foods (e.g., Peanut Butter, Cheese, Hummus, etc.) onto Challah, Matzah, etc. on Shabbos?;
a ring partially attached to the cap. Taking off a bottle cap while still attached to the ring. Small one-serving bottles;