rough flotation
11Buoyancy aid — Buoyancy aids are a specialist form of personal flotation device (PFD) used most commonly by kayakers and canoeists. They are designed as a flotation aid, rather than a life saving device and have several key differences to other PFD s and life… …
12Man overboard — For other uses, see Man Overboard (disambiguation). Signal flag Oscar indicates man overboard …
13Kitesurfing — Kitesurfing, kiteboarding, uses wind power to pull a rider through the water on a small surfboard or a kiteboard (which is like a wakeboard). Generally kiteboarding refers to a style of riding known as free style or wakestyle where as kitesurfing …
14Dog collar — See also: clerical collar and necklace A dog collar is a is a piece of material put around the neck of a dog. A collar might be used for control, identification, fashion, or other purposes. Identification tags and medical information is… …
15environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
16Diamonds as an investment — An uncut diamond, not showing the prized optical properties of cut and polished versions. Contents 1 History 2 Price …
17List of words having different meanings in British and American English: A–L — Differences between American and British English American English …
18Tire — This article is about tires used on road vehicles, including pneumatic tires and solid tires. For railroad tires, see railway tires. For other uses, see tire (disambiguation) or tyre.Tires, or tyres (in American and British English, respectively) …
19Whitewater — is formed in a rapid, when a river s gradient drops enough to disturb its laminar flow and create turbulence, i.e. form a bubbly, or aerated and unstable current; the frothy water appears white. The term is also used loosely to refer to less… …
20Catamaran — A catamaran (From Tamil kattumaram ) [cite web |url=http://www.etymonline.com/index.php?term=catamaran|title=catamaran |accessdate=2008 09 04 |format= |work=Online Etymology Dictionary ] is a type of multihulled boat or ship consisting of two… …
