Back-up boards, back-up sheets, back-up panels, entry boards, entry sheets, and entry panels made out of paper for use in the operation of drilling holes in printed circuit boards; Binder clips; Blackboards; Coasters of paper; Coloured pens; Correspondence racks; Crayons; Desk mats; Desk pads; Drawing pins; Easels; Envelope paper; File folders; Flash cards; Garbage bags of plastics; Gift bags; Hanging folders; Honeycomb paper; Kitchen paper; Letter openers; Mat boards; Millboard; Office stati...