Opening and closing cereal boxes, cookie packages, books, etc. with letters, numbers, pictures printed on them.
Folding Laundry That Might Get Ruined if I Keep It Like That Over Shabbos;
Setting a Mouse Trap on Shabbos;
This Melacha Applies to Sifting Wanted or Unwanted Particles. Does the Concept of מיד (Miyad/Immediate Use) Apply to This Melacha?;