How about reporting on Prince Philip who was president of the World Wildlife Fund while owning the world's largest mining and petroleum conglomerates?
Intended as a safety measure, they are commonly required by government organizations to be at least half as tall as the wheels of the largest mining machine on-site.
Pennsylvania industry, notably the large mining and manufacturing firms, opposed his tariff scheme, and Palmer was proud of that.
Some kind of large mining and smelting operation was under way here.
However, the region still is home to New Zealand's largest opencast mining operation in Stockton.
As the district turns to lower-grade ore, the mining may change from underground mining to large open-pit mining.
The province's economy is heavily dependent on large mining, metallurgical, and chemical production complexes.
In 1952, her father founded the North American Construction Group which became one of the largest mining and heavy construction companies in Canada.
In 1973 a large mining and metallurgical complex was constructed to the southeast to smelt the copper that until then had been sent elsewhere for processing.
Later he worked as a surveyor and miner, both independently and for a large mining firm, both failing to make his fortune.