a means for {HEAD ~ control} that disallows {TAIL ~ an operation} that would increase the work radius if an overload state is detected by said means for comparison 
disallows
a means for { HEAD ~ control } that disallows { TAIL ~ an operation } that would increase the work radius if an overload state is detected by said means for comparison
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH