Consider that the economy was heavily industrialized at the turn of the 20th century and that railroads were the only effective means of transportation.

The region that immediately surrounds Panlong is among the most heavily industrialized anywhere.

Historically the river was heavily industrialized with mills, and supported numerous tanneries and dye-makers.

Under Stalin, the city became heavily industrialized as a centre of heavy industry and trans-shipment by rail and river.

It is also heavily industrialized with both light and heavy industry.

The area became heavily industrialized in the nineteenth century.

Once teeming with marine life, it was heavily industrialized in the early 20th century.

Kunčice was heavily industrialized during the 1950s when Nová huť iron and steel works complex was built.

It became heavily industrialized in the twentieth century, becoming the location for numerous industries, most of which are clustered around harbors on the Scheldt.

The southern states, to a large degree based on slave labor and cash crop production, lacked the ability to industrialize heavily.