Normal classes: DPIPipeBaseC Pipe base. DPOPipeBaseC Pipe base body. DPGovernorBaseC Governor base Handle. DPGovernorC Governor Handle. Develop classes: DPIPipeBaseBodyC Pipe base body. DPOPipeBaseBodyC Pipe base body. DPIPipeBodyC IPipe body. DPOPipeBodyC OPipe body. DPIPipeC IPipe body. DPOPipeC OPipe body. DPGovernorBaseBodyC Governor base body. DPGovernorBodyC Governor body.