Properties and hazards of petroleum: personnel protective equipment -- The evolution and dispersal of hydrocarbon gas on tankers -- Communications before arrival of tanker: precautions for mooring -- Precautions and preparations for cargo handling and ballasting -- Cargo and ballast handling -- Gas freeing and cleaning of ship's cargo tanks -- Terminal bulk cargo handling facilities -- Handling of bulk liquefied petroleum gas (L.P.G.) and liquefied natural gas (L.N.G.) -- Packed petroleum cargo -- Static electricity: earthing, bonding and insulating techiques: cathodic protection -- Electrical equipment and installations in classified areas -- Ship and shore communications and communications equipment -- Fire fighting and emergency procedures.