buoyancy
81Diving equipment — Surface supplied commercial diving equipment on display at a trade show Diving equipment is equipment used by underwater divers for the purpose of facilitating diving activities. This may be equipment primarily intended for this purpose, or… …
82Pontoon effect — Note that the pontoon on the right is completely submerged, while the pontoon on the left is almost completely out of the water. [Citation title = Baltimore Kinetic Sculpture Race 2004 Race Report url=http://www.kineticbaltimore.com/KSR/2004/… …
83skeleton — skeletonless, adj. skeletonlike, adj. /skel i tn/, n. 1. Anat., Zool. the bones of a human or an animal considered as a whole, together forming the framework of the body. 2. any of various structures forming a rigid framework in an invertebrate.… …
84metacentre — ▪ fluid mechanics also spelled metacenter in fluid mechanics, the theoretical point at which an imaginary vertical line through the centre of buoyancy intersects another imaginary vertical line through a new centre of buoyancy created… …
85Decompression (diving) — Divers decompressing in the water at the end of a dive Decompression in the context of diving derives from the reduction in ambient pressure experienced by the diver during the ascent at the end of a dive or hyperbaric exposure and refers to both …
86Multihull — and monohull ship layouts A multihull is a ship, vessel, craft or boat with more than one hull. Contents 1 Description …
87Wetsuit — This article is about the use of wetsuits in a range of water sports. For protective clothing specialized for scuba diving, see Diving suit. For the G.I. Joe character, see Wet Suit (G.I. Joe). Spring suit (shorty) and steamer (full suit) …
88Buddy check — The buddy check is a procedure carried out by SCUBA divers using the buddy system where each diver checks that the other s diving equipment is configured and functioning correctly just before the start of the dive. [Sport Diving, p118,123,… …
89Wayfarer (dinghy) — Infobox Sailboat Specifications caption = Walloping Window Blind numberofcrew = Two loa = 4.827 m (15 ft 10 in) lwl = beam = 1.855 m (6 ft 1 in) draft = 203 mm (8 in) / 1.169 m (3 ft 10 in) hull = 169 kg (372 lbs) mainsailandjib = mastheight =… …
90Demersal fish — Bluespotted ribbontail ray resting on the seafloor Demersal fish live on or near the bottom of the sea or lakes.[1] They occupy the sea floors and lake beds, which usually consist of mud, sand, gravel or rocks …
