The ballast is preferably mounted on the outside of the fixture, but not limited to {HEAD ~ that location}, which is easily accessed for {TAIL ~ replacement} or maintenance, and can be described as “snap in and snap out.” 
is easily accessed for
The ballast is preferably mounted on the outside of the fixture , but not limited to { HEAD ~ that location } , which is easily accessed for { TAIL ~ replacement } or maintenance , and can be described as “ snap in and snap out . ”
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH