Opening and closing cereal boxes, cookie packages, books, etc. with letters, numbers, pictures printed on them.
מחמת חסרון כיס Machmas Chesron Kis: Foods and ספרים (Seforim) for Sale, אתרוג (Etrog), Etc;
חסרון כיס Chesron Kis: Items Which Are מוכן (Prepared);
how to work with disposable diapers on Shabbos;