A.to provide for safe practices in ship operation and a safe working environment
B.to establish safeguards against all identified risks
C.to continuously improve safety management skills of personnel ashore and aboard ships，including preparing for emergencies related both to safety and environmental protection
D.to avoid damage to the environment，in particular，to the marine environment，and to property

A.Test the pressure gauge for correct reading
B.Weigh the cartridge
C.Replace the dry chemical
D.Pressure test the discharge hose