It should be understood that the switches may also be replaced by any means for regulating power distribution to {HEAD ~ the applicators} such as {TAIL ~ attenuators}, amplifiers, mismatched tuning sections or the like 
such as
It should be understood that the switches may also be replaced by any means for regulating power distribution to { HEAD ~ the applicators } such as { TAIL ~ attenuators } , amplifiers , mismatched tuning sections or the like
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH