Wed, 17 December 2014
PD137: <audio> NSS-CDS Instructor Ralph DiPanfelo dicusses how to figure out gas managment for cave diving.
Comments[0]
|
Wed, 17 December 2014
PD137: <audio> NSS-CDS Instructor Ralph DiPanfelo dicusses how to figure out gas managment for cave diving.
Comments[0]
|