Machinery play vital role in our lives and we are helpless without them. If you don't believe ask a business man, how a machines contributes to his business? And He is left with no option but to say that it helps him fetch his daily livelihood. So, machines have been the main contributors in almost every development and inventions. Well, by invention we recall the modern era of industrialization which sprouted in Europe and then went on to plant seeds on most of the part of the world. Today, we call each other globalised people without even thinking how such vast change came into existence - thanks to machines. The heavy machinery was responsible for the construction of great network of people. Invention of the machinery first and use of them in appropriate manner has given man what he had imagined over years. Today, machinery forms the basic requirement of the production, construction and transportation process. Small businessman requires machines to carry on his business and if he cannot afford brand new machinery, he prefers used machinery in order to somehow get his work done. Whatever may be the work, if it's a large process it will require machinery, for instance, construction work require machines like Crane, bulldozer, Cement grinder and other machines depending on the requirement. Indeed! We are surrounded by machines. The production site will always have forklift, trailers for loading and transporting finished goods to markets. There is so much demand of the machines that now we find someone or the other dealing into heavy machinery business. In fact, we encounter many machinery traders in our day-to-day life. These machinery traders offer us machines of various make, model and types. Now, the ads of sale of every type of machine are seen on sites, for example, 'excavators for sale' and likewise other machinery are sold through ads in paper, hoarding and mostly on websites. So, it won't be wrong to comment that machines have undoubtedly served as a good friend to man.