Kovush (Bitul and Blios #49 - Shulchan Aruch YD 105:1)

Kovush: Standard kovush - liquid, movement, time, depth; Kashering; Fast kovush - tzir, charif. See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com