The factory was modestly equipped, reaching a capacity of only 20 tonnes a day.
In 1989-90, for example, the yield per farm varied from 62 tonnes to 99 tonnes.
Here she loaded 9200 tonnes of coal, amidst clouds of coal dust that penetrated everywhere, leaving a black film over every surface.
It is estimated that by year 2000 gold production in the country will have reached 15 tonnes a year.
In contrast, specific weight is used as a quality measure because it generally indicates flour yield per tonne of grain.
The suspended sediment yield from the logging activities amounts to 28.3 metric tonne/ha/yr.
Finally, he had received the tonne of coal in exchange for 50 kilograms of wheat, 50 kilograms of barley and 600 grams of lard.
We estimated world production could easily exceed 255,000 metric tonnes.