Identify numbered items 11-15 using the list below

Power supply
Main power switch
Exposure Switch
Exposure Timer
Autotransformer
Primary of high voltage transformer
Secondary of high voltage transformer
X-ray tube anode
X-ray tube cathode
Primary of filament transformer
Secondary of filament transformer
Rectification unit
Line voltage compensator
Line voltage meter
Filament circuit
mA meter
mA selector
kVp meter
kVp selector