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Soil is a dirty mixture of clay, sand and humus that lies over the bedrock of this planet. The dirt varies in components almost by the mile. It makes no difference what part of the globe your on, it varies. Soil can be tested to determine which fertilizers and chemicals should be added to it. Farmers want maximum crop yield from their soil, that requires adding the proper nutrients to the cropland. The food to keep civilization alive comes from the ground and from the trees growing all around the world. Some nations are much farther ahead than others at making farmland as active as possible. Each farmer in the United States at the present time feeds 155 people around the world.
Many earthen, or dirt filled dams have been built around the world. Earth filled dams may be over a mile wide at the base. That is a lot of dirt! They hold back millions of acre-feet of water, that water in turn is used to turn electric power turbines. That hydro-electric power is transmitted to provide electric power to millions of people. Hydro-electric power is a must in the fight against global warming. There are no doubt be many more locations where earth or dirt filled dams can be built.
Dirty comes in the form of dust too. Millions of dollars are spent daily getting rid of dust and chasing it around with a wide assortment of feather duster’s or dust magic rags, handy wipes or whatever. Often times a dirty car will have ‘wash me’ written on the back window dust. Dust is a nuisance the place were dust mites live to multiply by the millions and we don’t even know they’re there. Surely that is a good reason to be chasing after the dust with whatever is available.
Dirty dust storms ravaged the central plains of the United States in the 1930’s. We certainly don’t want to relive those days. Strong winds blew the dust and dirt back and forth across many states until it changed the landscape dramatically. The black dirty blizzards even buried some fences, nothing would grow in the dirty, dusty dry land. People migrated west searching for a new life. That era of hard times was known as the dirty 30’s.
Dirty also may fall into the category of foul matter such as human excrement. We should feel thankful to be living in a country with functioning sewer systems. No matter how good sewer systems are built floodwaters come along and get into the sewer system. They can back up into people’s basements and you are confronted with dirt and filth. You see it with your eyes, smell it with your nose. Your whole house almost has to be redone the basement cleanup cost can be very expensive.
The inside of your computer gets dirty, it accumulates lots of dust and dirt. The intake cooling fans move large amounts of air through your computer. While your computer is running you are also circulating dust that is stirred up in your house. It is wise to have your computer cleaned regularly. You can do it yourself by removing the cover and getting a can of air with a spray tube. Give the computer a good dusting, be careful not to move anything out of its place. You will see a fan on the processor. It is best to remove the fan from the processor to get all of the packed dust out of the cooling vanes. If you have doubt about removing the fan just spray air at it from all angles. That is one place where the most dust accumulates. It also can cause the processor to overheat and burn out. Be careful not to let any liquid from the spray can hit the processor. Let the computer cool off before you try cleaning dust out, ice cold air on the hot processor is a no no. You will add new life to your computer by cleaning the dust out.
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