"צביעה באוכלים" (coloring in foods) - the stringent view of some poskim
Salting Radishes, Eggs, Potatoes, and Avocados;
ודבר דבר (Dabair Davar): Is One Allowed to Ask Their Friend to Do an Action That Is Not Allowed on Shabbos to Do It...
How to work with when having to sign for a package.