Opening a paroches (ark curtains), cabinet doors with letters, pictures, numbers on them.
putting down items on the ground in a slippery area. Raising and lowering a chair, fan, etc. Putting down sand in a slippery area;
Administering an Injection on Shabbos and Setting Up an IV Line;
Removing a Nail, Screw, Thumbtack from One's Heel (Bottom of Their Shoe);