The hands and arms of early robots were pneumatically powered (air pressure) or hydraulically powered (fluid pressure). ... An operator enters the work movements into a computer which tells the robot what to do. ... Then a thin tungsten wire at the tip of and electrode is brought close to the surface. ... There is a hazard of fire since finishes are flammable, and noise from air discharge can damage hearing. ... Spray finishing robots cut costs because they require less light, reduce fresh-air requirements, reduce exhaust, and lesson energy costs. ...

• Word Count: 2637
• Approx Pages: 11
• Grade Level: High School

Some actually think that these cursed elements of air help rather than hinder the earth! ... The most debated of the gasses, Fluorocarbons (CFCs), now come into view. ... They claim instead that the ozone only thins from its peak from time to time(Howard). ... Don't fall into the greatest scam of this country. ... CFCs come from commonly used items such as aerosol cans, refrigerators, and air conditioners. ...

• Word Count: 4635
• Approx Pages: 19
• Grade Level: High School

The artistic community was called into action, producing whole schools of painting, which glorified the development of the nation. ... It combines the different steps of America's steady shift from wilderness to civilization into one single picture. ... As Albert Boime says, "inevitably, the extermination of Native Americans is tied to the conquest of the wilderness and its transformation into an Edenic garden - The wild and dark area with the natives on the left contrasts with the right side of the painting, a light and open area occupied by the white Americans, which represents the "...

• Word Count: 3252
• Approx Pages: 13
• Grade Level: Undergraduate

Yet another irony both super powers did not want another war to start but they were plunging themselves into another war the Cold War. ... Germany had been divided into East and West. ... The Berlin Wall divided Berlin into east and West. ... This was a thinly veiled warning to Russia, not to try and spread its sphere of influence militaristically. ... When NATO launched its air strikes against Slobodan Milosevic's Serbia, the user- friendly story was that the "ethnic cleansing" undertaken by the aforementioned Milosevic was an unacceptably gross violation of human rights. ...

• Word Count: 4898
• Approx Pages: 20
• Has Bibliography