putting together plastic cups. Replacing an EZ filter. Replacing a part of a folding table or folding chair;
מחמת חסרון כיס Machmas Chesron Kis: Foods and ספרים (Seforim) for Sale, אתרוג (Etrog), Etc;
(Melting ice.) freezing dry foods; freezing ice pops; automatic ice makers; freezing liquids not to lose taste or not to get spoiled;