if you going to say mass than that the lazy way of answer itwhat i what to know is what causes mass to create gravitational force instead of any other forces like magnetic force ? and how is gravitational force created from mass?please try to simplify it as much as possible, i'm no physicist just a sophomore from high school
Some sort of tablet would suit your needs well. If you want to get a top-of-the-line device, the iPad 2 is probably the way to go (starting at $499); however, the Kindle Fire does everything that you mentioned, and is only $199. The Kindle Fire hardware is not as impressive as that seen in the iPad 2, but obviously the price reflects that.
why are u using brass fitting , on gas . high dollar, only the valves are brass, most fitting to appliances are steel. now a gas flex is stainless steel w/vinyl coating .. fittings are flare by mips, use only cga aproved tape or pipe dope. no tape or pipe dope on flare fitting.