Machine :A machine is a tool consisting of one or more parts that is constructed to achieve a particular goal.
Thus in order to achieve that particular goal,a machine follows a particular mechanism.For proper functioning of that mechanism,we have different parts in a machine. And machines never come with any extra part,so it means that every part of the machine is specifically made to perform a specific operation.
Let us assume this world to be a big machine,it is all the time following a certain mechanism.
Let us assume this world to be a big machine,it is all the time following a certain mechanism.
Like wise every part or i should say every living or dead component was made to perform a certain operation.
So every component has a certain purpose of existence in life.
for example:-