In addition, the pocket inner surface of the retainer of the transmission apparatus is formed in a curved surface surrounding {HEAD ~ a peripheral portion} of {TAIL ~ a ball} housed in a pocket, thus allowing easy and accurate formation of pockets 
In addition , the pocket inner surface of the retainer of the transmission apparatus is formed in a curved surface surrounding { HEAD ~ a peripheral portion } of { TAIL ~ a ball } housed in a pocket , thus allowing easy and accurate formation of pockets
OTH OTH 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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH