Addition 1 to 1478: The איסור (Issur) of Running and Taking Large Steps on Shabbos;
(Squeezing materials.) two very important pointers to keep in mind when using pre-cut paper towels, napkins, rags, etc.
Making a Bruise or Using a Toothbrush When One's Gums Might Bleed. Using Floss, Toothpicks, and Dealing with Blood from a Cut;