"צביעה באוכלים" (coloring in foods) - the stringent view of some poskim
Food, drink, wax, etc. What to do when fell on wording. (Sefer, bencher, etc.)
taking out the cork from wine bottles and removing the wrapper from around it;
Preparations for a Weekday: Doing an Action That Is Not Being Done to Save Time on Motzi Shabbos;