The core idea
What does this melacha describe?
Separating fine and coarse material with a sieve or similar tool.
Melacha is not simply strenuous work. It describes purposeful, creative activity. The practical question is whether an action creates the kind of result defined by this category; actions that appear similar may differ because of their method, purpose, or circumstances.
Contemporary examples
Where might it appear?
- Sifting flour
- Screening particles by size
These examples introduce the category. They are not a complete practical ruling, and their application can depend on the specific circumstances.
Its place in the framework
Field to food
The first eleven melachos follow the process of making bread, from working the soil and gathering grain through preparing and baking food. Together, they describe the purposeful transformation of natural materials into something ready to use.