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How long do oxygen tanks last?

Oxygen tanks can last between 0.75 and 37.5 hours. How long they last depends on the size of the tank, the pressure in the tank and the flow of oxygen, which ranges from 0.5 to 5 liters per minute. For example, a D-size tank that is full last only 1.25 hours at 4 liters per minute but can last 10 hours at 0.5 liters per minute. Some oxygen tanks have conserving devices that limit breaths to 20 per minute, which allows them to last longer.

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What should be included in a wedding speech by the father of the bride?

When discussing the bride, some ideas of topics to touch on include:Memories of the birthChildhood memoriesProud memories, such as educational or career achievementsWhen discussing the groom, there will likely be fewer memories to work with, but things to touch upon include:His positive traitsHis suitability for the brideSome advice for marriage (if the father of the bride has been married himself)Humor is a great way to keep the speech interesting, but there is a balance to keep in mind. So-called "embarrassing" stories, for instance, can very quickly go awry — whether graphically discussin..

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What types of college classes can you take for free?

Students may enroll in real-time classes from well-known institutions such as Harvard and Massachusetts Institute of Technology through EdX. Many courses, such as Introduction to C++ and Climate Change: The Science, provide verified certificates for a fee, and some may qualify for college credit.\nThe Open College at Kaplan University offers a selection of free courses on topics such as Preparing for a Career in Public Safety, Introduction to Management and College Composition. Students may request an assessment to qualify for credit at Kaplan for certain classes, but applicants must pay a fee..

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What is the best time of year to plant cherry tree seeds?

Although they grow well in any kind of soil, cherry trees thrive in areas that do not stay soggy for long periods of time. One of the challenges of growing cherries on a cherry tree is getting fruit from the flowers. Because some cherry trees are not capable of pollinating themselves, it is often necessary to plant different varieties in the same area to cross-pollinate and get fruit.

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What is a 24-hour childcare center?

Twenty-four-hour childcare centers are on the rise due to the demand from parents who work night shifts and who are unable to find affordable child care. These centers accommodate a variety of work schedules and provide services such as meals, field trips, education and sleep. A parent who starts work at 2 a.m. can leave her child at the center before the child's bedtime so that the child gets an adequate amount of sleep. Some centers, such as A.V.A. 24-hr Child Care, are open 365 days a year and offer parents three full days of childcare over the weekend.\n\nParents can enroll their chil..

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How do you calculate share prices in a company?

There are many things that affect the value investors put on a stock. For example, About.com indicates that a war which limits a company's access to the materials that it needs to make its products is going to affect its stock prices. New discoveries for uses of a product also affect what investors pay as demand for the product increases. A company's internal affairs also affect stock prices, such as an upheaval in leadership or actions that tarnish the company's image in public opinion.\nThe dot-com bubble burst of 2000 shows the volatility of the stock market. CNN Money uses P..

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What is an American shorthair silver tabby?

In addition to silver tabby, American shorthair cats come in over 80 different colors and patterns. These range from self or non-patterned colors such as black or brown to varying tabby patterns such as mackerel, classic and ticked tabby. Other patterns include van, which is colored ears and tails on a white base, or calico, which is orange, black and white patched.

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What is the disadvantage of technology in business?

Businesses must allocate funds for upgrading and maintaining their infrastructures if they want to adapt to the latest technological breakthroughs. Technology is always improving, thereby necessitating costly upgrade cycles. Businesses must also spend for training to acclimate employees to the changes.\nThrough computers and mobile devices, technology causes employees to become detached from others. Text messaging, emailing and other electronic forms of communication have largely replaced personal interactions between employees. Interaction is important in developing interpersonal communicatio..

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What are some interesting facts about Shirley Strawberry?

Her radio career began in the 80s when she worked as a co-host of "The Doug Banks Show" at WCGI-FM in Chicago. When the 90s arrived, she transferred to Los Angeles, California, to work for 92.3 The Beat, KKBT-FM. During the year 2000, Cathy Hughes and Radio One bought the station and offered Shirley the post as Steve Harvey's co-host. Harvey praised her voice. The show then separated from Radio One before relaunching through a joint-syndication deal with Inner City Broadcasting Corporation and Premiere Radio Networks.\nShirley is known for her part on the "Strawberry Letter" segment of th..

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Why is shepherd's pie called "shepherd's pie"?

While it is often assumed that the name derives from the fact that shepherds tend the sheep that feature in the pie's filling, this may be purely descriptive or it may be adaptive folk etymology. It also is widely speculated that meat pies of various kinds were called cottage pies until the 1870s, when the name "shepherd's pie" emerged and the term became common.\nNeither cottage pie nor shepherd's pie could have originated before potatoes became generally accepted in the United Kingdom, which wasn't until the end of the 1700s, CooksInfo.com speculates. Before that, a simil..

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