{HEAD ~ The apparatus} 1, wherein the apparatus comprises {TAIL ~ a calculator} which performs calculations during the normal mode 
{ HEAD ~ The apparatus } 1 , wherein the apparatus comprises { TAIL ~ a calculator } which performs calculations during the normal mode
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH