Best Answer: FMCSR, is the acronym for Federal Motor Carrier Safety Regulations. They are the safety regulations used to dictate safety requirements for individuals who operate vehicles requiring a Commercial Drivers License (CDL).
A camel caravan in the desert. The definition of a caravan is a large covered vehicle. The vehicle used by circuses to transport animals is an example of a caravan. Caravan is defined as a group of people or animals traveling together, sometimes for safety. A pack of camels crossing the desert together is an example of a caravan.
A semi-trailer truck (more commonly semi truck or simply semi) is the combination of a tractor unit and one or more semi-trailers to carry freight. A semi-trailer attaches to the tractor with a fifth wheel hitch, with much of its weight borne by the tractor. The result is that both tractor and semi-trailer will have a distinctly different design than a rigid truck and trailer.