In {HEAD ~ a number} of {TAIL ~ embodiments}, a separate command does not have to be sent for reading the second code along with the first code, thereby saving time in inventorying the tags 
of
In { HEAD ~ a number } of { TAIL ~ embodiments } , a separate command does not have to be sent for reading the second code along with the first code , thereby saving time in inventorying the tags
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH