What is the formula for calculating pressure drop a 90 degree or 45 degree pipe bend?

3 answer

What do you think about Don Imus being fired??

4 answer

why are people saying undertaker is facing rock or CM Punk?

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Why street dogs are getting locked while doing intercourse ? why not other animals?

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can a fire extinguisher be filled with nos?

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Is putting a blanket over an oil heater dangerous? The heat is pretty low n nothing has happened so far n ive heard a lot of ppl do it too.?

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i live in a basement which has no windows just a little one in sitting room. its really nice flat .but just?

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Does anyone know of a calculator online, or a calculation, to figure out pipe sizing for natural gas lines?

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how to restore a system image?

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Why does my smoke detector beep after I have removed the battery?

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How can I make lightning strike in a field across the street from my house?

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how to calculate essentric reducer pipe?

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Does a wind turbine tower localized in an urban area with a keraunic level of 120 needs a lightning rod ?

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So I plan to buy a fishing rod and reel both separate and want to know whats a good brand for around 150-250$?

4 answer

Natural African American hair? theme park?

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What happen if the center bore on my rims are bigger than the center on the brake rotor?

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how safe is a resin scorpion?

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Is it legal to build a nuclear reactor at home?

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Whats your favorite thing to do on a cold snowy night?

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A fear of fire and violence?

4 answer

How do they make people look like they are on fire in movies and tv?

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How can I make a mold of a tiny toy to use with acrylic resin?

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backpacking contents?

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Survey; Whats a list of items you would bring in a natural disaster with you?

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How do you make resin jewelery like this? Also where to get the materials?

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does anyone know how to get on facebook or myspace at school?

2 answer

Fire alarm question, cont'd?

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I am staying alone in a friends apartment tonight and I am dying of cold?

1 answer

give 5 filipino chemists biographies?

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think you r smart?? answer this.?

5 answer