15 GRAPHITE GREASE, GREASE CARTRIDGES, GRAPHITE PASTES, GRAPHITE CONCENTRATES, GRAPHITED OIL, DRY FILM LUBRICANTS FOR SLIDING FRICTION, LUBRICATING COMPOUNDS, COLLOIDAL GRAPHITES, GRAPHITE SEALS, BELT DRESSINGS, LUBRICATING STICKS, GRAPHITE BARS, GRAPHITE RODS, AND GRAPHITE PLATES