"צביעה באוכלים" (coloring in foods) - the stringent view of some poskim
(Temporary Ohel) Some final thoughts and facts in conjunction with BONEH;
Is One Allowed to Blow Out the Good from the Bad to Eat Right Away?;
Is One Allowed to Press the Button on a Fan to Control the Oscillating (Turning Back and Forth) Cycle on Shabbos? Using Water Vaporizers...