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 truck pulling a semi-trailer using a trailer dolly. A semi-trailer (British English) or semitrailer (American English) is a trailer without a front axle. In the US, the term is also used to refer to the combination of a truck and a semi-trailer, a tractor-trailer. A large proportion of a semitrailer's weight is supported by a tractor unit, or a detachable front-axle assembly known as a dolly, or the tail of another trailer.