20/1 IDENTIFICATION OF EQUIPMENT FOR MAINTENANCE
20/2 A DRAIN CATCHES FIRE
20/3 ISOLATION OF EQUIPMENT FOR MAINTENANCE
20/4 COMPOUND DRAIN VALVES MUST BE KEPT CLOSED
20/5 ROAD AND RAIL TANKER HOSES CAN BURST
20/6 NEVER SPLASH FILL FLAMMABLE LIQUIDS
20/7 SLIP-PLATES AND SLIP-RINGS
20/8 PHONE XXX IF YOU HAVE A SAFETY PROBLEM OR SUGGESTION
20/9 “TREMCARDS”
20/10 RECENT NOTES