הכנה לחול (Preparations for a Weekday): Is There a Limit to the Amount of Exertion Used When Doing the Action?;
Using utensils, items that open and close by folding. (E.g., folding tables, strollers, playpens, folding chairs, etc.)
open and closed metal cans, e.g. tuna fish cans, sardine cans, etc. Part 2;