myWaterAirPressureSensorImpl= null;;
myWaterAirPressureSensorImpl= null;
    public void removeSensor() {        myO2AirPressureSensorImpl =  null;        myCO2AirPressureSensorImpl =  null;        myNitrogenAirPressureSensorImpl = null;        myOtherAirPressureSensorImpl =  null;        myWaterAirPressureSensorImpl= null;;        }