The metal halide lamp 6, wherein, during {TAIL ~ an operation} of {HEAD ~ said lamp}, a pressure range of said inert as is between 100 mbar and 1 bar 
The metal halide lamp 6 , wherein , during { TAIL ~ an operation } of { HEAD ~ said lamp } , a pressure range of said inert as is between 100 mbar and 1 bar
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH