In many ways, it's kind of a quiet sleepy place that time forgot. It's one of the few places left in San Diego (or the rest of the country for that matter) where the shops are locally owned and managed, for the most part. Some places would welcome a Starbucks or a Target, but for many OBecians this is cause for concern. In a world that is rapidly homogenizing, Ocean Beach stands proud as one of the last real beach towns left in California, and much of that uniqueness stems from all the independent shops and mom-n-pop restaurants in our little town.

The total length, inner diameter and/or inner volume of a snorkel tube are matters of utmost importance because they affect the user's ability to breathe normally while swimming or floating head downwards on the surface of the water. These dimensions also have implications for the user's ability to blow residual water out of the tube when surfacing. An overlong snorkel tube may cause breathing resistance, while an overwide tube may prove hard to clear of water. A high-volume tube is liable to encourage a build-up of stale air, including exhaled carbon dioxide, because it constitutes respiratory dead space.
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Bali is like Hawaii minus the high price tag and the strip malls but major tourist spots like Kuta and Seminyak are regularly over-run by marauding bands of drunken tourists in high season. With a little exploration, you will find all kinds of hidden gems that are unlike anywhere else such as Pura Ulun Danu Bratan, Candi Dasa and Sanur (or take a boat to the less developed paradise Lombok).

Naturally, there are some amazing coral reefs for snorkeling and diving and pristine beaches (my favorite is Whitehaven Beach). Upon arrival, you’ll instantly see why this is one of the best tropical islands in the world — and why over half a million people visit a year. One of the most popular way to see the islands is via a multi-day sailing tour (which is what I did when I visited). It was an amazing experience — especially diving! Prices start around 450 AUD for multi-day sailing tours.
1969: First national standard on snorkels. In December 1969, the British Standards Institution publishes British standard BS 4532 entitled "Specification for snorkels and face masks"[46] and prepared by a committee on which the British Rubber Manufacturers' Association, the British Sub-Aqua Club, the Department for Education and Science, the Federation of British Manufacturers of Sports and Games, the Ministry of Defence Navy Department and the Royal Society for the Prevention of Accidents are represented. This British standard sets different maximum and minimum snorkel dimensions for adult and child users, specifies materials and design features for tubes and mouthpieces and requires a warning label and a set of instructions to be enclosed with each snorkel. In February 1980 and June 1991, the Deutsches Institut für Normung publishes the first and second editions of German standard DIN 7878 on snorkel safety and testing.[47] This German standard sets safety and testing criteria comparable to British standard BS 4532 with an additional requirement that every snorkel must be topped with a fluorescent red or orange band to alert other water users of the snorkeller's presence. In November 1988, the Austrian Standards Institute publishes Austrian standard ÖNORM S 4223[48] entitled "Tauch-Zubehör; Schnorchel; Abmessungen, sicherheitstechnische Anforderungen, Prüfung, Normkennzeichnung" in German, subtitled "Diving accessories; snorkel; dimensions, safety requirements, testing, marking of conformity" in English and closely resembling German Standard DIN 7878 of February 1980 in specifications. The first and second editions of European standard EN 1972 on snorkel requirements and test methods[49] appear in July 1997 and December 2015. This European standard refines snorkel dimension, airflow and joint-strength testing and matches snorkel measurements to the user's height and lung capacity. The snorkels regulated by these British, German and European standards exclude combined masks and snorkels in which the snorkel tubes open into the mask.
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