"צביעה באוכלים" (coloring in foods) - the stringent view of some poskim
measuring and weighing in cases of illness; measuring and weighing for a infant; using a thermometer;
ממצוא חפציך (Mimtzo Cheftzecha): Reading Various Manuals or Literature on Shabbos;
(Squeezing materials.) understanding the two different types of "סחיטה" (squeezing);