Candlesticks on Yom Tov;
understanding the two views with "דרך לכלוך" (coloring destructively). (Wiping one's hands on a towel from grape juice, blood, pomegranate, colored ices, etc.);
putting down items on the ground in a slippery area. Raising and lowering a chair, fan, etc. Putting down sand in a slippery area;