Various Examples of Sifting and Straining: When Meraked May Be a Rabbinical Prohibition;
Is One Allowed to Use a Sink Strainer on the Bottom of the Sink? (The Strainer in the Bottom of the Sink Not the...
removing a board from a Sukkah. Unplugging a sink. Taking out a leaf from a table. Taking off a mattress from a bed. Taking...