The array may be mounted on a wrist based computer, or be mounted to {HEAD ~ a computer} secured to {TAIL ~ an article} of standard scuba gear 
The array may be mounted on a wrist based computer , or be mounted to { HEAD ~ a computer } secured to { TAIL ~ an article } of standard scuba gear
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH