The disclosed tray system includes {HEAD ~ a foldable platform}, a foldable liner, and {TAIL ~ an elevatable handpiece cradle} 
The disclosed tray system includes { HEAD ~ a foldable platform } , a foldable liner , and { TAIL ~ an elevatable handpiece cradle }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL