Acid-proof wash brushes used for the application of acid to vehicles for cleaning purposes; Containers for household use for enveloping and packaging domestic waste, including diapers and nappies, for storage and disposal, namely, sanitary waste disposal units comprising tubs or bins with or without reels or cassettes containing wrapping materials for enveloping waste; Flower and plant cultivation trays; Household containers for foods; Household utensils, namely, sieves