It is in the former sillon industriel, the industrial backbone of Wallonia.

It is in the sillon industriel, the former industrial backbone of Wallonia, home to about two-thirds of the Walloon population.

Its Belgian portion was at the western end of the sillon industriel, which was Wallonia's industrial backbone.

Still, lumber and agriculture formed the city's industrial backbone, and the old economy continues to play an important role in the Puget Sound area.

The sillon industriel (French for "industrial valley") is the former industrial backbone of Belgium.

Dour is often considered the western end of the sillon industriel, the former industrial backbone of Wallonia.

Mieres is the heart of the coal mining industry in Spain and the industrial backbone of Asturias.

It was to become an integral part of the sillon industriel, the industrial backbone of Wallonia.

West End has an industrial backbone, in particular, along Montague Road down to Riverside Drive.

Verviers was at the eastern end of the sillon industriel, the industrial backbone of Wallonia.