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How Maglev Trains Work
science.howstuffworks.com/transport/engines-equipment/maglev-train.htm
Magnetic levitation trains are becoming a popular transportation topic all around the globe. Learn about electromagnetic suspension, the most popular type of maglev train.
10 Extinct Job Titles
money.howstuffworks.com/10-extinct-job-titles.htm
New jobs are being created everyday, but what happened to the professions of yesteryear? Learn more about 10 extinct job titles at HowStuffWorks.
How the U.S. Postal Service Works
people.howstuffworks.com/usps.htm
The U.S. Postal Service employs about 500,000 people and is responsible for the delivery of mail. Learn more about the United States Postal Service.