Typically, the amount of electricity a computer uses is between 65 watts and 250 watts. The monitor often needs between 35 watts and 80 watts as well. Most desktop computers have a label that lists how much power they need, but this is generally the theoretical maximum and not an average representation.
West Texas Intermediate (WTI) is an extremely high quality crude oil which is greatly valued for the fact that it is of such premium quality, more and better gasoline can be refined from a single barrel than from most other types of oil available on the market.
It is also known as petroleum. Crude oil is a fossil fuel, meaning that it was made naturalÂ­ly from decaying plants and animals living in ancient seas millions of years ago -- most places you can find crude oil were once sea beds.Crude oils vary in color, from clear to tar-black, and in viscosity, from water to almost solid.To see examples of the structures of these types of hydrocarbons, see the OSHA Technical Manual and this page on the Refining of Petroleum. Now that we know what's in crude oil, let's see what we can make from it.