Using an Electric Blanket on Shabbos. Flushing a Toilet with an Electric Pump on Shabbos. Is One Allowed to Turn Off an Appliance When...
(Temporary Ohel) When could it possibly be a problem of covering large containers;
Using utensils, items that open and close by folding. (E.g., folding tables, strollers, playpens, folding chairs, etc.)