Opening and closing cereal boxes, cookie packages, books, etc. with letters, numbers, pictures printed on them.
how to deal with cereal boxes, Matzah boxes, cracker and cookie boxes, etc.
דבר דבר (Dabair Davar): A Better Understanding Into Talking About a Mitzvah;
Salting a Salad by Itself: Is One Allowed to Salt a Vegetable in One's Hand When Eating It?;