What is the Meaning & Definition of gravel

The word gravel supports various applications in our language, which will be determined by the context in which the word is used.
At the behest of the scope of the construction, it is referred to as gravel to the set of stones, bricks and all that waste material that can be used to fill gaps in a building.
Also, in the field of the paving of streets, roads and highways, the word gravel presents use special, given that it called the Pebble which is used for paving and thus convert to a path, which generally are ground, passable for vehicles.
Compared to the dirt roads, the gravel road offers a better transit vehicles which by the slip and is also highly resistant to climatic factors such as rainfall, since it generates a lot less mud which which is triggered in the dirt road. However, it should be noted, as disadvantaged, they are characterized by lift a major cloud of dust to the passage of cars and such question, but possess an adequate maintenance, can become very complex and certainly hinder the transit through them.
Another characteristic that makes them uncomfortable and much less desirable to the asphalt is having a lower stability and adherence for vehicles which are more likely to cause traffic accidents.
Such issues is that when one passes through this type of roads is recommended drivers that do so at moderate speeds, to not try to overtake other vehicles, that they are equipped with tyres in good condition and well inflated so that the stones don't break the tyres.
On the other hand, the word gravel appoints not necessary word that is used with a mission to complete a verse or achieve a rhyme in a sentence.
Meanwhile, we can find a popular expression that contains at the end such as: unmissable gravel which implies to be very aware of something so not to miss any detail.