| Trucking is an important industry in the United States. | | | | semi-truck parts. Most semi-trailers are designed with |
| Every day thousands of trucks take to the road to | | | | landing gear so that they can stand supported when |
| deliver just about anything you can imagine. Our | | | | not attached to a road tractor. |
| economy relies on the transportation that the trucking | | | | Refrigerator Truck |
| industry provides. Semi-trucks are powerful machines | | | | As the name would suggest, a refrigerator truck is a |
| that can haul thousands of pounds of freight. We see | | | | type of semi-trailer designed to carry perishable goods |
| them all the time on the highway, transporting goods | | | | at low temperatures. Most refrigerator trucks are fitted |
| across the country. But not every semi-truck is the | | | | with a cooling apparatus with a refrigeration system. |
| same. There are many specialized trucks that have | | | | These trucks can haul perishable goods long distances. |
| been made to transport certain goods. | | | | Flatbed Truck |
| Semi-trailer | | | | A flatbed truck carries a flatbed trailer that is designed |
| The truck that we see on the road most often is a | | | | to with no sides or roof. This makes it possible to load |
| semi hauling a semi-trailer. A semi-trailer is a trailer or | | | | objects of unusual size and shape quickly and easily. |
| storage container without a front axle. It is designed to | | | | Because they have no protective sides, they are |
| be supported by a semi-truck or road tractor. These | | | | mostly used for hauling loads that are not vulnerable to |
| trailers transport a wide variety of goods from food to | | | | the elements or that do not require special protection. |