enum PartType { Undefined = -1, Normal = 0, DuctMounted = 1, JunctionBox = 2, AttachesTo = 3, BreaksInto = 4, Elbow = 5, Tee = 6, Transition = 7, Cross = 8, Cap = 9, TapPerpendicular = 10, TapAdjustable = 11, Offset = 12, Union = 13, PanelBoard = 14, Transformer = 15, SwitchBoard = 16, OtherPanel = 17, EquipmentSwitch = 18, Switch = 19, ValveBreaksInto = 20, SpudPerpendicular = 21, SpudAdjustable = 22, Damper = 23, Wye = 24, LateralTee = 25, LateralCross = 26, Pants = 27, MultiPort = 28, ValveNormal = 29, JunctionBoxTee = 30, JunctionBoxCross = 31, PipeFlange = 32, JunctionBoxElbow = 34, ChannelCableTrayElbow = 35, ChannelCableTrayVerticalElbow = 36, ChannelCableTrayCross = 37, ChannelCableTrayTee = 38, ChannelCableTrayTransition = 39, ChannelCableTrayUnion = 40, ChannelCableTrayOffset = 41, ChannelCableTrayMultiPort = 42, LadderCableTrayElbow = 43, LadderCableTrayVerticalElbow = 44, LadderCableTrayCross = 45, LadderCableTrayTee = 46, LadderCableTrayTransition = 47, LadderCableTrayUnion = 48, LadderCableTrayOffset = 49, LadderCableTrayMultiPort = 50, InlineSensor = 51, Sensor = 52, EndCap = 53, HandrailBracketHardware = 54, PanelBracketHardware = 55, TerminationHardware = 56, Rails = 57, Handrails = 58, TopRails = 59, PipeMechanicalCoupling = 60 };