getPipeDiameter :: PipeRun -> <Proc> Double
setPipeDiameter :: PipeRun -> Double -> <Proc> ()
+ getInsideDiameter :: PipeRun -> <Proc> Double
+
addChild :: PipeRun -> PipelineComponent -> <Proc> ()
getChild :: PipeRun -> <Proc> [PipelineComponent]
remChild :: PipeRun -> PipelineComponent -> <Proc> ()