(1) Once the swimmer has achieved ideal body position, the snorkel may be taken away to allow him to practice the low-profile breath.

(2) The snorkel , flippers, and goggles are definitely material objects, as are the air tank, the regulator, and the buoyancy control device.

(3) Snorkel around the unspoilt coral reefs

(4) Bring a snorkel and flippers to explore the offshore reef

(5) Towns are getting crowded, while many of the best places to dive or snorkel can be inundated with boats.

(6) Similar effects are experienced by recreational breath-hold divers; they may also use a snorkel to allow breathing when on the surface.

(7) But yesterday he donned his snorkel and flippers to defend his title as World Champion Bog Snorkeller.

(8) Snorkel around the unspoiled coral reefs

(9) And don't forget to bring your snorkel : diving aficionados swear that the Maldives have the finest dive sites in the world, and most resorts have fully equipped dive centres.

(10) The odd snorkel bobs in the water, occasionally spurting water, and there's not a boat to be seen.

(11) In fact, so many people snorkel at Hanauma Bay that it often gets quite crowded.

(12) Breathe into the blue, green or yellow plastic device, which resembles an asthma inhaler or part of a snorkel , for three or four minutes twice each day, and you'll breathe easier when you race.

(13) If you can breathe through a snorkel , then you are well on the way towards one of the most enriching wildlife experiences of your life.

(14) Strap on a mask and snorkel , and you can swim with sea lions, so curious and friendly that they will brush past your face.

(15) Learning to snorkel was rewarding, but it also taught me that I am no amphibian.

(16) On the islands, you can hike, snorkel , kayak, and go whale-watching; there are guided nature hikes on Santa Cruz Island.

(17) He says he has two golden rules: first, always check out the dive site for yourself (he brings his own snorkel for the purpose) and second, keep in mind the spot on the water, way down below, that you are going to hit.

(18) Wet suits, snorkels and fins are supplied when and if you are ready to get into the water - and when you return you can hop into a hot shower!

(19) Scuba divers and snorkelers explore historic shipwrecks and artificial reefs.

(20) Its white sandy beach, lapped by crystal clear waters and hundreds of types of colourful fish make it ideal for swimming and snorkelling .