How to Handle a Swarm of Insects That Are Bothering a Person, and Using Insecticide in a Room with Insects;
This Melacha Applies to Sifting Wanted or Unwanted Particles. Does the Concept of מיד (Miyad/Immediate Use) Apply to This Melacha?;
understanding the two views with "דרך לכלוך" (coloring destructively). (Wiping one's hands on a towel from grape juice, blood, pomegranate, colored ices, etc.);