42/1 SIX WAYS TO SUCK IN A TANK
42/2 ISOLATION FOR MAINTENANCE USING MOTORISED VALVES
42/3 ANOTHER EXPLOSION IN A CENTRIFUGE
42/4 LOOSE FLANGES
42/5 THE ANGELS’ SHARE
42/6 HAVE YOU ENOUGH FIRE-FIGHTING WATER ON YOUR PLANT?
42/7 THREE MONTHS IN THE LIFE OF AN OIL COMPANY
42/8 THREE YEARS AGO
42/9 WHAT THE LAW SAYS NO.3
42/10 UNUSUAL ACCIDENTS NO. 12
42/11 RECENT PUBLICATIONS