Chemical Degradation of EDTA and DTPA in a Totally Chlorine Free (TCF) Effluent
Updated: 2010-04-30 09:23:36
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: Monday , March 29, 2010 Some Underwater Photography Techniques Some wonder wheat swimming in the ocean is like , but don't wish to learn how to dive . Underwater photography can bring the underwater world to the surface . Underwater photographers have taken it upon themselves to bring the underwater world to those who don't wish to dive or never had the chance . While all photography is an art the underwater world needs special skills to bring the highest quality alive . Unlike wildlife photography the underwater world needs to be viewed up close . That is to say the marine life needs to be photographed closely . This is because of the water . Photo : PhotopediaPhotos The water refracts images often distorting them so the closer you are to your subject the less water you have between you
: Tuesday , March 2, 2010 Scuba Diving Accessories For Beginners Choose your dive center very carefully then , if you enjoyed your scuba diving course , trust them to outfit you with the best dive accessories for your type of diving . When you select your dive center start by establishing the credentials of it . Generally , the more status the dive center has , the more it has been audited for quality and customer service . If possible , choose a PADI 5 Star Career Development Center . Failing that , try a PADI 5 Star Instructor Development Center and so on down the retail status list . Photo : Kaptain Kobold Other training agencies have similar ratings . Word of mouth is another very strong indicator as most people tell others about a bad experience . After you have completed your course , unless you are totally focused and do it beforehand , you will want to buy your diving accessory . There are literally thousands of different dive items on the market and each scuba retailer offers a selective few brands . Normally these equipment lines are complementary so that the dive center should be able to satisfy novice or experienced recreational divers through to highly experienced