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