(marker) buoy
41DSMB — may stand for: Delayed Surface Marker Buoy, an inflatable buoy used by SCUBA divers Data monitoring committees, an independent group of experts who monitor patient safety and treatment efficacy data while a clinical trial is ongoing This… …
42HMS Totem (P352) — HMS Totem (pennant number P352) was a group three T Class submarine of the Royal Navy which entered service in the last few months of World War II. To date, she is the only ship of the Royal Navy to have been named Totem . The Totem was sold to… …
43Scottish seine — a seine set from a free floating marker buoy. When the free end is returned to the buoy, both ends are lifted onto the vessel and dragging and hauling begins as the vessel moves forward. This process is called fly dragging …
44rowing — Propulsion of a boat by means of oars. As a sport, it involves one of two kinds of boat: (1) the shell, a narrow, light racing boat propelled by eight rowers pulling single oars under the direction of a coxswain; and (2) the scull, a racing shell …
45dan — dan1 noun any of ten degrees of advanced proficiency in judo or karate. ↘a person who has achieved a dan. Origin 1940s: from Japanese. dan2 (also dan buoy) noun a small temporary marker buoy with a lightweight flagpole. Origin C17: of unknown… …
46Diver rescue — Beaching a casualty while providing artificial respiration Diver rescue, following an accident, is the process of avoiding or limiting further exposure to diving hazards and bringing a SCUBA diver to safety.[1] A safe place is often a place where …
47DMB — datum marker buoy …
48Professional Association of Diving Instructors — PADI redirects here. For other uses, see Padi (disambiguation). Professional Association of Diving Instructors Abbreviation PADI Motto The Way the World Learns to Dive …
49Submarine communications cable — A cross section of a submarine communications cable. 1 Polyethylene 2 Mylar tape 3 Stranded steel wires 4 Aluminium water barrier 5 Polycarbonate 6 Copper or aluminium tube 7 Petroleum jelly 8 Optical fib …
50Lobster — For other uses, see Lobster (disambiguation). Lobster Temporal range: Valanginian–Recent …
