Ever thought what is the difference between a roller bearing and a ball bearing? Apparently both appears similar, however you will be surprised to know both are entirely different in terms of its usage and function. Generally, bearings are composed with a ball placed inside a ring either internal or...

The advantages of using a machine are known to everyone. It is the human mechanism to reduce human works. To make our work easy and comfortable we depend on different machines. Let us see how and why these machines really made for? Nevertheless, is it possible to think about a day without machines?&...