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A motor is an electrical machine which converts electrical energy into mechanical energy. When a current carrying conductor is placed in a magnetic field, the conductor experiences a mechanical force and this is the principle behind motoring action.
Continuous traffic:
After being forced to stop in the interval, the train group is allowed to return to the rear station.
4, if the baby after vaccination, a skin rash, pay attention to good skin clean, best for children to wear the clothes made of cotton, must not with soap and hot water cleaning skin rash or using irritant drugs relieve itching, and don't eat spicy, etc excitant food for your baby.
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