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Problems
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Causes
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Solutions
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| Washer Won’t start |
1.Chesk the and breaker 2.Power cord may not be irmly plugged in the receptacle |
1.Consult the seller 2.Make sure power cord is firmly connected |
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| What is Not supplied |
1.Water tap may be closed. 2.Water supply is suspended. 3.Foreign matters may be ccumulated on the met in the mater inlet. |
1.Turn on the water tap. 2.Clean the [单项选择] Earthquakes
What causes earthquakes The earth is formed of layers. The surface of the earth, about 100 kilometers thick, is made of large pieces. When they move against each other, an earth quake happens, A large movement causes a violent earthquake, but a small movement causes a mild one.
Earthquakes last only a few seconds. The rolling movements are called seismic (地震的) waves. The seismic waves start in one place, called the epicenter (震中) , and roll outward. A seismic wave travels around the earth in about twenty minutes. Usually, an earthquake is strong enough to cause damage only near its epicenter.
However, epicenters at the bottom of the ocean create huge sea waves as tall as 15 meters. These waves cross the ocean in several hours. Rushing toward land, they destroy small islands and ships in their path. When they hit land, they flood coastal areas far from the epicenter of the earthquake. In 1868, a wave reached 4. 5 kilometers inland in P
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