21 instruments and materials for cleaning purposes; utensils and containers, buckets, buckets incorporating mop wringers and buckets incorporating castors; dusters, mops, mop heads, mop holders; window and floor wipers and scrapers; carpet sweepers, floor sweepers (not being machines), brooms; scouring pads, scrubbing brushes; bottles, bottles incorporating spraying apparatus (not being machines); dust bins, refuse bins, waste paper bins; litter and waste scoops; sponges (other than surgical sponges), sponge holders and sponge wringers