diff --git a/BDNS_Abbreviations_Register.csv b/BDNS_Abbreviations_Register.csv
index ad16c0b..4acbc37 100644
--- a/BDNS_Abbreviations_Register.csv
+++ b/BDNS_Abbreviations_Register.csv
@@ -4,8 +4,6 @@ access control - RFID reader,RFIDR,,IfcCommunicationsAppliance,SCANNER,1
 access control - access control system,ACS,,IfcDistributionSystem,SECURITY,1
 access control - biometric reader,BIOR,,IfcCommunicationsAppliance,SCANNER,1
 actuator,ACT,,IfcActuator,NOTDEFINED,1
-actuator - dew point switch,DPSW,,IfcUnitaryControlElement,HUMIDISTAT,1
-actuator - differential pressure switch,DPRSW,,IfcActuator,NOTDEFINED,1
 actuator - frost protection switch,FPSW,,IfcActuator,ELECTRICACTUATOR,1
 actuator - motorized window operator,WDO,,IfcActuator,ELECTRICACTUATOR,1
 actuator - switch actuator,SWACT,,IfcActuator,ELECTRICACTUATOR,1
@@ -551,6 +549,7 @@ sensor - CO sensor,COS,SENSOR,IfcSensor,COSENSOR,1
 sensor - CO2 sensor,CDS,SENSOR,IfcSensor,CO2SENSOR,1
 sensor - condensation water sensor,CS,SENSOR,IfcSensor,TEMPERATURESENSOR,1
 sensor - contact sensor,CNTS,SENSOR,IfcSensor,CONTACTSENSOR,1
+sensor - differential pressure sensor,DPS,SENSOR,IfcSensor,PRESSURESENSOR,1
 sensor - glycol protector sensor,GLYPR,SENSOR,IfcSensor,NOTDEFINED,1
 sensor - humidity sensor,HMS,SENSOR,IfcSensor,HUMIDITYSENSOR,1
 sensor - inertial measurement unit sensor,IMUS,SENSOR,IfcSensor,NOTDEFINED,1
@@ -581,6 +580,11 @@ shading - shading device keypad,SDKP,,IfcSwitchingDevice,KEYPAD,1
 shading - shading device motor,SDM,,IfcElectricMotor,NOTDEFINED,0
 shading - shading device solar tracking module,SDSTM,,IfcSensor,RADIATIONSENSOR,1
 signal - beacon,BCN,,ifcAlarm,LIGHT,1
+switch - absolute pressure,APSW,,IfcSwitchingDevice,PRESSURESENSOR,1
+switch - dew point,DEWSW,,IfcSwitchingDevice,HUMIDISTAT,1
+switch - differential pressure,DPSW,,IfcSwitchingDevice,PRESSURESENSOR,1
+switch - static pressure,SPSW,,IfcSwitchingDevice,PRESSURESENSOR,1
+switch - thermal dispersion flow proving switch,TDSW,,IfcSwitchingDevice,NOTDEFINED,1
 tank - break tank and booster set,BTBS,,IfcTank,BREAKPRESSURE,1
 tank - brine tank,BTK,,IfcTank,VESSEL,0
 tank - buffer vessel - cooling,CBUFF,,IfcTank,VESSEL,0