MB3 140b: Separating Food from Food on Shabbos (319:3-4)

Roasted meat and cooked meat are considered 2 separate types vis-a-vis sorting on Shabbos. Picking one item over another is considered בורר. Separating silverware. Borer and clothing. Picking up items to reach an item underneath. Taking out the unwanted item is prohibited even by hand. Peeling is considered borer.