35 CARBON GLAND RINGS USED IN ROTATING EQUIPMENT AS A MECHANICAL SHAFT SEAL, CARBON LININGS AND INSERTS FOR BRAKES USED IN RAILWAY TYPE BRAKE SHOES AND DISKS OR IN ANY OTHER TYPE OF BRAKE TO IMPROVE FRICTION AND/OR CONTROL WEAR, AND CARBON PACKING RINGS USED IN APPARATUS SUCH AS AUTOMOBILE WATER PUMPS, WASHING MACHINES, ETC., TO CONTROL LEAKAGE AND PROVIDE LUBRICATION ALONG THE SHAFT