Using utensils, items that open and close by folding. (E.g., folding tables, strollers, playpens, folding chairs, etc.)
How Do We Understand the Concept of פסיק רישא (Psik Reisha) as It Relates to the Melacha of Meraked?;
Halachic Guidelines for Orange Juice: With Pulp, Without Pulp, etc.