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15 Talking to a Mechanic GLOSSARY mechanic a person whose job is to maintain and repair cars or other types ofmachines * Do you pay a mechanic to change the oil in your car, or do you do it yourself? engine the inside part of a car that makes it move
Topics:-The Three Mile Island Accident; Famous Buildings: Chrysler Building; quarrel versus argument versus controversy; concerned versus worried; amounted to Words: nuclear reactor core coolant malfunction valve to be exposed guideline to evacuate t
Why refrigerators hum? Why refrigerators hum,on toay's moment of science.On the recent program we have discussed how fluorocarboncoolant cools your food by coming to a boil in coils hidden in your fridge. How is this possible? When you boil water o
The Rolling Boil That Cools Your Food When you think of something boiling, you probably picture a pot on the stove, but theres another kitchen appliance that brings liquid to a boil, not to heat food, but cool it. It sounds crazy, but household refri
By Stephanie Ho Washington 15 July 2007 U.S. National Security Advisor Stephen Hadley says Washington still has concerns about North Korea's nuclear program, despite Pyongyang's decision to shut down its main plutonium reprocessing facility. VOA's St