c:\var\www\vhosts\rolfrost.de\Entwicklung>a
'First Lamp' is on at 50 Watt.
'Second Lamp' is on at 40 Watt.
Light bulb can not be changed.
First, 'Second Lamp' has to be switched off.
'Second Lamp' is off.
Light bulb in 'Second Lamp' has been changed.
The new bulb has 100 Watt.
'Second Lamp' is on at 100 Watt.