{TAIL ~ An integral fabrication method} for {HEAD ~ the first to fourth seals} 41–44, as well as fifth and sixth seals to be discussed below, will later be explained in detail 
{ TAIL ~ An integral fabrication method } for { HEAD ~ the first to fourth seals } 41–44 , as well as fifth and sixth seals to be discussed below , will later be explained in detail
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH