Removing a Scab from One's Skin, Pulling Out a Non-bleeding Tooth, and Removing Warts, Pimples, etc. with a Utensil;
ודבר דבר (Dabair Davar): Mentioning Something That Somebody Will Do After Shabbos When It's Not Allowed to Be Done on Shabbos Itself;
Understanding the Concept of Trapping Fleas;