(Zoreh-זוֹרֶה Ep. 8) (#1291) The Separation Has to Be with אוכל and פסולת (Good and Bad).

Playing Basketball or Soccer Outside and Rolling Items on a Covered Ground (e.g., on a Carpet, Mat, Board, etc.);

This Melacha Applies to Items Which Grew from the Ground. Even Blowing with One's Mouth Is Part of the Melacha;

Removing Dried Skin from a Sunburn, Eczema Around a Cut, Acne, etc., and Removing Glue from One's Arm;