By 2015, the company plans to produce 20 million tons.
Some large machines are able to produce several tons per hour.
The works produced a million tons of steel a year.
The company produced about 200 tons of iron a week in 1845.
They produced 3.11 million tons of beer in 2005 alone.
In the time I have produced 20 tons, he will be lucky to get six.
The first installation was able to produce 30 tons per day.
We Americans produce 160 million tons of garbage every year.
They produce more than 300 tons of optical glass a month.
The world's mines produce only about 2,500 tons a year.