star wars imperial battle cruiser

5. The concentration of their language Tucked away at the bottom of the Theme menu are Basic and High Contrast Themes, these are ideal for those who have difficulty reading against some of the colour schemes or cannot see icons against a busy display. They are also useful if your machine is low on system resources or has an older video card. The practical options for energy range from the standard fuels, natural gas, petroleum (or oil), and coal. Fossil fuels are referred to as nonrenewable energy sources because, once used, they are gone. Scientists are exploring the practicality of other sources called renewable energizes. These include sun, wind, geothermal, water, and biomass. The renewable power resources are very important in long range energy planning simply because they will not be depleted.