text: __all__ = ['HotCathodeGauge', 'RoughGauge', 'ColdCathodeGauge', 'IonPump',
             'TurboPump', 'ScrollPump', 'GetterPump', 'RGA', 'PneumaticValve',
             'ApertureValve', 'FastShutter', 'NeedleValve', 'ProportionalValve',
             'RightAngleManualValve']
  
  from .gauges import HotCathodeGauge, RoughGauge, ColdCathodeGauge
  from .pumps import IonPump, TurboPump, ScrollPump, GetterPump
  from .others import RGA
  from .valves import (PneumaticValve, ApertureValve, FastShutter, NeedleValve,
                       ProportionalValve, RightAngleManualValve)
  