In addition, {HEAD ~ the secondary memory device} may be removable and readable from {TAIL ~ other devices} 
removable from
In addition , { HEAD ~ the secondary memory device } may be removable and readable from { TAIL ~ other devices }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL