(Melabain-מלבן‎ Ep. 28) (#278) When wiping up a spill is it better to use a (pre-cut) napkin/paper towel or rag?

Introduction to the Melacha of מבעיר Part 2. (Also Important Information in Reference to Suntanning on Shabbos);

Moving a Flower Vase. Putting Flowers into Water on Shabbos. Adding Water to the Flower Vase. Removing Flowers from the Water;

wiping one's hands or mouth on a towel when they are dirty from colored foods or drinks (e.g., grape juice, pomegranates, colored ices, etc.);