In {HEAD ~ an alternative embodiment}, the conduits could also be joined by other means such as push fit fittings and {TAIL ~ solder joints} 
In { HEAD ~ an alternative embodiment } , the conduits could also be joined by other means such as push fit fittings and { TAIL ~ solder joints }
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL