Assessment 2 – 40580/02 1a) Plain carbon steel is essentially an alloy of iron and carbon which also contains manganese and a variety of residual elements. These residual elements were either present within the raw materials used in the production process e.g. iron ore and scrap steel additions‚ or they were added in the production process for a specific purpose‚ e.g. deoxidization by means of silicon or aluminium. Hence they are called residual elements to distinguish them from alloying
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me have a much better career. SPC home of the Texans is the best and the biggest opportunity college in the U.S. It will give me the best opportunity to learn new skills and teaks and it will also allow me to take on multiple tasks in the field of welding. SPC has many opportunities to choose from and they provide such great career choices. To get into SPC you have to take an ACT because it is required. If you do not have it with you or you haven’t taken the ACT exam you will more than likely not
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The Physics Of Scuba Diving: Swimming with the Fish Have you ever wondered what it would be like to swim with the fish and explore the underwater jungle that covers two-thirds of the earth ’s surface? I have always been interested in water activities; swimming‚ diving and skiing‚ and I felt that scuba was for me. My first dive took place while on a family vacation. I came across a dive shop offering introductory dives‚ which immediately caught my interest. After much convincing (my
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the National Association of Underwater Instructors and the National Association of Scuba Diving Schools. “All agencies require that participants be proficient swimmers‚ in reasonably good health‚ and at least 12 years of age.”(Coleman) The course consists of classroom work‚ practice in a pool or confined body of water‚ and dives in open water. In the course‚ students learn to use diving equipment‚ to equalize air pressure as they descend‚ to swim efficiently underwater‚ to clear the mask if water
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Margareth Nabosse Prof: Jhingree Fredrick English 1102 June 30‚ 2011. Symbolism in: Welding with Children In the significance presentation of Tim Gautraux ‘s story “ Welding with Children “ published in 1997; certain sentences have used to introduce the symbolism and irony of real-life and values. It becomes clear to discover that Tim Gautreaux has chosen the lower classes of parents and children to present the intensity of the story and multiple aspects of life. The irony
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Matthew Lowe September 7‚ 2014 Mr. Gretes English Paper 100 Feet Under “You miss one hundred percent of the shots that you don’t take”‚ a quote by Michael Jordan. As human beings‚ it is in our nature to disagree with change. We would rather use and do what has been done already rather than take the chance and start all over. If I would not have taken the chance to start scuba diving when I was offered‚ I would have missed out on some of the most amazing moments in my life. By getting out of my comfort
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scuba mask and submerged in the water I realized the glamour associated with scuba diving is only for those individuals who are not prone to getting seasick and who enjoy total silence. Furthermore I realized breathing was not an automatic task underwater‚ it took a lot of exhaustive efforts. After being in the water for about 5 minutes and descending 10 meters‚ I started to feel the effects of the constant swaying of the ocean on my body. I slowly lost interest in looking around and became increasingly
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when the wearer’s mouth and nose are submerged. The snorkel usually has a piece of rubber that attaches the snorkel to the outside of the strap of the diving mask. The most common type of snorkel is a simple tube that is allowed to flood when underwater. The snorkeler expels water from the snorkel either with a sharp exhalation on return to the surface (blast clearing) or by tilting the head back shortly before reaching the surface and exhaling until reaching or "breaking" the surface (displacement
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The physics of scuba diving Imagine swimming in the underwater world with all the creatures and all the beauty it holds. It is an amazing feeling to swim over coral reefs and see all the sea life up close and personal. So many scuba divers all over the world share a passion to scuba dive. Scuba diving has been a worldwide endeavor for centuries (1). Persian divers were making goggles for diving around 1300. A British engineer invented the air pump in 1771 and in 1772 a Frenchman tried inventing
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thought it would be great to return here some day soon and go out on a diving tour for several days. It would be important to have a professional underwater camera to document 10-15 dives. Normally one does a maximum of two dives per day. One is normally underwater for an hour on each dive and the body is affected by the strain of moving underwater and the water pressure. Thus‚ two dives and one feels exhausted. I was planning to do only one dive because of the buildup of gases in my blood system
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