Putting Back a Glass Top into a Coffee Table, a Drawer Which Came Out of a Desk, Fixing an Earring Which Is Bent Out...
How to work with folding a TALIS when one takes it off on Yom Tov which falls out Erev Shabbos and folding a TALIS...
Automatic Toilet Flushers, Automatic Sinks, Soap Dispensers, Doors, etc.