buddy system - In scuba diving, divers with few exceptions should work in pairs. This is
probably the greatest single aid toward scuba safety, esp. under
unfavorable conditions. The divers should remain in sight of each other.
In poor visibility, they should use a buddy line 6 to 10 ft (1.8 to 3.0 m)
long. Hunt
; дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр http://imcg.wr.usgs.gov/dmmrt/dmmrt157.html#d3282;
