The composition of a relay team may be changed between the heats and finals of an event, provided that it is made up from the list of swimmers properly entered by a member for that event.

A Rescue team of about 10 swimmers is usually provided by the Tamil Nadu Fire and Rescue Services.

Direct fire sights are also provided for use from a helicopter allowing for large areas to be patrolled and protected from enemy combat swimmers.

The Irish Long Distance Swimming Association ILDSA has provided authentication observers for swimmers attempting to cross the approx 22 mile span between Northern Ireland and the Mull of Galloway.

The primary mission of the Mark V is medium range insertion and extraction platform for Special Operations Forces ( primarily SEAL combat swimmers ) in a low to medium threat environment.

Porpoises are fast swimmers — Dall's porpoise is said to be one of the fastest cetaceans, with a speed of 55 km / h ( 34 mph ).

The body is slightly slender and long, making them fast swimmers ; they can swim as fast as 50 knots ( 92. 6 km / h, 57. 5 mp / h ).

They are fast swimmers ( up to 60 km / h ), and breaching behavior and aerial acrobatics are common with this species.

These dolphins are some of the fastest swimmers ( in excess of 40 km / h ).

Monofins were introduced in 1972, by a Ukrainian finswimming club, and have been used for finswimming competitions since, allowing monofin swimmers to reach speeds of 12km / h.

It features a 50m, 8 Lane Swimming Pool catering to lap swimmers, squads and swimming carnivals ; a dedicated programs pool / hydrotherapy Pool set up for learn-to-swim lessons, aquaerobics classes and rehabilitation activities ; and a leisure Pool – a great place to bring young children for fun safe and healthy activity.

The DP-64 is a Russian special-purpose double-barreled over / under grenade launcher designed to protect ships, dockyards, water development works, and other coastal installations from combat swimmers and naval special forces.

Arne Borg, Gunnar Larsson, Anders Holmertz, Stefan Nystrand, Therese Alshammar, Anna-Karin Kammerling, Emma Igelström are some of the renowned swimmers, who have been successful in Olympics and / or World Championships.

The primary focus of AFCDC is to develop Pararescuemen / Combat Rescue Officers and Combat Controller / Special Tactics Officers into competent, capable and safe combat divers / swimmers.

The course provides commanders with divers / swimmers capable of undertaking personnel recovery and special operations waterborne missions.

This act also put in place an online database where the results of these tests can be publicly viewed as well as a system for notifying swimmers if bacterial levels were found to be above the accepted standard of 104 CFU / 100mL in a single day or an average of 35 CFU / 100mL over five days.

Lifeguards will clear swimmers from the water if it is considered that there is a safety risk.

They are also very poor swimmers, increasing the risk involved in travel.

Australian Olympic Committee president John Coates, however, said in a press conference that their swimmers would be allowed to wear the futuristic neck to ankle covering suits, but would do so " at their own risk ".

Lifeguards are usually present except before 8: 00am, when swimmers are cautioned to " swim at your own risk ".

Monofilament lines also present a risk to swimmers and scuba divers.

In 2004, the City of London Corporation, which holds the Heath in trust, since the abolition of the Greater London Council in 1986, tried to close the ponds on the grounds that they were an unsustainable drain on their expenses and posed a health risk to swimmers.

Not all race organizers permit drafting, and swimmers can run the risk of disqualification if they are caught.

Given the option, most swimmers choose to use a dolphin kicking action, but there still is a small minority of swimmers who prefer the breaststroke kick, for recreational swimming and even for competition.

We also worked out logistics for Sunday afternoon swimmers who arrive two hours early with their weekend guests while we are still enjoying an alfresco lunch en famille.

Our pools also have wide, shallow steps -- for the benefit of the littlest swimmers who can thus be introduced to the water with far greater safety than a ladder affords.

Silver Sands is becoming more popular with open water swimmers, who swim daily in the sea, both as a leisure pursuit, and as training for open water competition.

He also experimented behind the camera with pre-filmed sketches, notably directing a documentary-style short starring Shearer and Short as synchronized swimmers.

The presence of whole fish arranged tail-first in their stomachs suggest that they were fast swimmers with great agility.

Almásy took her to " the cave of swimmers ", a place the exploration team had previously discovered, and covered her with a parachute so he could leave to find help.

An upwelling in Hot Creek with swimmers nearby

Stingray City in Grand Cayman allows swimmers, snorkelers, and divers to swim with and feed the stingrays.

Many of them ( such as Oxynoticeras ) are thought to have been good swimmers with flattened, discus-shaped, streamlined shells, although some ammonoids were less effective swimmers and were likely to have been slow-swimming bottom-dwellers.

The beaches are patrolled during the summer holiday period, and being located on either side of Penguin Head face in different directions, providing a variety of surf conditions for board riders, swimmers, body surfers and families with young children.

A few features of BORC include 4 full size outdoor tennis courts, an 18 hole disc golf course, 2 full size indoor basketball courts, weight room, public pool that offers a childs pool along with a large slide, the pool is also available for lap swimmers.

The Surf City Yacht Club ( SCYC ) participates in weekly races against other yacht clubs throughout the Island, with many sailors and swimmers ranging in age dedicating their summers to the Yacht Club

Once popular with swimmers, awareness of the river's high pollution levels forced the state to shut down several popular swimming areas, including Cambridge's Magazine Beach and Gerry Landing public beaches.

Next to the Fishing Boat Harbour is Bathers Beach, a flat beach popular with swimmers.

The United States Navy also turned down Bradner's and Bascom's offer to supply its swimmers and frogmen with the new wetsuits due to concerns that the gas in the neoprene component of the suits might make it easier for naval divers to be detected by underwater sonar.

It featured Johnny Weismuller and Eleanor Holm, two of the most celebrated swimmers of the era, and dazzled fairgoers with its lighting and cascades and curtains of water, pumped in waterfalls at 8, 000 gallons a minute.

Australian swimmers Bonnie Mealing, Clare Dennis, Frances Bult with chaperone and sprinters Eileen Wearne ( Aus ) and Thelma Kench ( NZ ) at the 1932 Summer Olympics | 1932 Los Angeles Olympics

Image: Suontee in Joutsa. jpg | A typical Finnish pier with a table, chair and ladders for swimmers in Joutsa, Central Finland

Sitting on Chicago Park District land, the Point is popular with hikers, bikers, joggers, runners, sunbathers, picnickers, cross-country skiers, and adventurous swimmers.

In June 1911, in co-operation with Edouard Perrot ( Edouard Perrot & Cie ), Emile Taddéoli started to design the seaplane " La Mouette " in Switzerland, and before, began tests with a Dufaux 4 biplane equipped with swimmers.