Create returns RWConversionBasedUnitAndVolumeUnit from RWStepBasic;
ReadStep (me; data: StepReaderData; num : Integer;
- ach : in out Check; ent : mutable ConversionBasedUnitAndVolumeUnit from StepBasic);
+ ach : in out Check; ent : ConversionBasedUnitAndVolumeUnit from StepBasic);
WriteStep (me; SW : in out StepWriter; ent : ConversionBasedUnitAndVolumeUnit from StepBasic);