cases where one is adding a color on top of the same color (E.g. black on black, blue on blue, red on red, etc.);...
(Melting ice.) melting ice that is sitting on top of a drink. (E.g. on top of water, orange juice, grape juice, etc.); the difference...
Is One Allowed to Move Traps on Shabbos (e.g., Mouse Traps, Roach Motels, Flypaper)?;