"VAPORIZER ASSEMBLY,CONTROL HOUSING,FAN DRIVE ASSY W/ELECTRIC MOTOR AND GASOLINE ENGINE,ELECTRICAL CONTROL CABINET,LIQUID DISCHARGE RATE 500 GPH,LIQUID LEVEL AND VACUUM GUAGES,RUNNING LIGHTS,LIFTING RINGS AND TIE-DOWN FEATURES,ASME CODED INNER SHELL,DESIGNED TO WITHSTAND 3 GRAVITATIONAL UNITS ACCELERATION VERTICALLY AND LONGITUDINALLY,1.500 GRAVITATIONAL UNIT SIDEWAYS WHEN FULLY LOADED,WITHSTANDS 8 GRAVITATIONAL UNITS EMERGENCY ACCELERATION FORCES FORE AND AFT AND 4.500 GRAVITATIONAL UNITS DOWNWARD WHEN FULLY LOADED WITHOUT CAUSING ANY EXTERNAL DAMAGE TO THE SEMITRAILER"