Utilize the input text as a context reference, choose the right relationship between Glencore and mining from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Molefe also said the utility would seek 2 billion rand ($146 million) in compensation from global mining and trading firm Glencore Plc after business rescue administrators at its struggling local unit stopped coal supplies to Eskom's Hendrina power plant after a contractual dispute.

Answer: industry