|
|
solenoid valve |
|
|
|
|
|
|
|
|
|
Service security |
|
|
|
|
|
|
|
|
|
Service reliability |
|
|
|
|
|
|
|
|
|
selector switch |
|
|
|
|
|
|
|
|
|
rotary switch |
|
|
|
|
|
|
|
|
|
Reinforcement of a system |
|
|
|
|
|
|
|
|
|
reactive power |
|
|
|
|
|
|
|
|
|
Radiator, cooler |
|
|
|
|
|
|
|
|
|
protective relay |
|
|
|
|
|
|
|
|
|
pressure switch |
|
|
|
|
|
|
|
|
|
pressure gause |
|
|
|
|
|
|
|
|
|
power transformer |
|
|
|
|
|
|
|
|
|
power station |
|
|
|
|
|
|
|
|
|
power plant |
|
|
|
|
|
|
|
|
|
position switch |
|
|
|
|
|
|
|
|
|
phneumatic control valve |
|
|
|
|
|
|
|
|
|
phase shifting transformer |
|
|
|
|
|
|
|
|
|
Overload capacity |
|
|
|
|
|
|
|
|
|
over voltage relay |
|
|
|
|
|
|
|
|
|
over current relay |
|
|
|
|
|
|
|