There are numerous types of vehicles running on the roads and they all are utilized as per there requirement. People use vehicles and vans for their associates and family use. Identical as when people journey over nations they use caravans, which is equipped with all the rudimentary necessities of life and all the facilities so that you can stay where ever you desire. Some people use canister dwellings for travelling which is furthermore like as caravan but made inside the canisters. These caravans and canister dwellings are connected with the mini motor truck like motor truck trailers. Other then these family type vehicles there are also engine two wheelers which are only used by two individual and motor trucks which are utilized to carry heavy load from one location to another. There is nothing to recount in two wheelers because it is small vehicle with the capability of two persons but it varies with the motor power whereas trucks and trailers are hefty duty vehicles and they can convey containers, tankers and many other heavy items including hefty mechanism. Semi Trailers constructor have an advantage of making such trailers because 40 feet canister and tankers comprises more than 1000 of tons of items and they are only put on trailers so semi trailer constructor make such kind of powerful semi trailers which have ability to convey hefty load.