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更新日期：2013-11-15
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Force, work and energy are basic of our day today work. This book elaborates the elementary concepts of force and work.
There are three states of matter. The basic difference between these three states, transition of a substance from one state to another, phenomenon of evaporation and condensation are illustrated.
In case of any injury first aid is very important. First aid depends upon the type of injury. It is different for different types of wounds. There is brief description of different first aid methods.
Safety measures so as to prevent injuries are also illustrated.
