Furthermore, the system allows for {HEAD ~ easy retrofitting} into {TAIL ~ existing systems} as well as integration into new systems 
Furthermore , the system allows for { HEAD ~ easy retrofitting } into { TAIL ~ existing systems } as well as integration into new systems
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH