一个英语科学问题,星期一要交的Doctors can use a magnet to remove tiny metal
一个英语科学问题,星期一要交的
Doctors can use a magnet to remove tiny metal pieces from the eyes of a student who was not wearing safety glasses in a lab class.What type of metals can be removed this way?
Can you list at least four devices or things which operate with magnets or have magnets buily into them?
Doctors can use a magnet to remove tiny metal pieces from the eyes of a student who was not wearing safety glasses in a lab class.What type of metals can be removed this way?
Can you list at least four devices or things which operate with magnets or have magnets buily into them?
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