And no child under 18 could work in heavy industry.

The heavy industry is also playing an important part in the development of the area.

The town council tried hard to interest heavy industry, but the community had been passed over time and again.

Heavy industry was always the focus of the Soviet economy, even in its later years.

It has a large number of heavy industry in machine making.

A little heavy industry, in a small way, at a couple of towns.

Some 1.7 million workers went out, especially in transport and heavy industry.

Many of Earth's heavy industries were moved there long ago.

The economy was focused on heavy industry and arms production.

Green Island's main economy is based on light and small scale heavy industry.

This area was once known for steel production and heavy industry.

Historically, the most important economic activity was trade and heavy industry.

Cities all around the world were hit hard, especially those dependent on heavy industry.

Japan has cut the use of oil in its heavy industries by 75 percent over the same period.

Heavy industry and mining were the basis of its economy.

Such remote reporting has been going on for years in heavy industry.

Most of the heavy industry has now been replaced by light and service industries.

The old America of heavy industry is still represented, but not nearly as heavily.

It also serves the heavy industry located in the area.

His areas of interest were in mining, infrastructure and heavy industry.

The change was based on Socialist principles, a middle and heavy industry were started.

Many of them were working in the heavy industry.

It began in heavy industry and spread throughout other industries.

There are also orchards and a small amount of heavy industry.

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