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Before the 20th century, the term asphaltum was also used.

The primary use (70%) of asphalt is in road construction, where it is used as the glue or binder mixed with aggregate particles to create asphalt concrete.

Other examples of this confusion include the La Brea Tar Pits and the Canadian oil sands, both of which actually contain natural bitumen rather than tar.

"Pitch" is another term sometimes informally used at times to refer to asphalt, as in Pitch Lake.

The addition of coal tar to macadam roads led to the word "tarmac", which is now used in common parlance to refer to road-making materials.

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