They arise because goods can sometimes be found only in certain parts of the world. A famous example of this was historically silk which was only found in China and everyone had to pay what the Chinese manufacturers said. It was good for Chinese economy because their merchants and silk manufacturers were rich, and in return the consumers were satisfied because they had the original high quality silk coming straight from China which ensured quality.
Answer
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Explanation
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You have to go to the bank
Answer:
In brief an overspeed failure on a big steam or gas turbine is one of the most frightening industrial accidents.
A turbine overspeed accident can be caused by a lightning-induced power surge, a fouled pilot valve, an electrical fault, operator failure, or any of a few dozen other problems.
The trip mechanisms on most turbines are required by law to be tested periodically.
Explanation: