turbine

When it comes to sustainability, they can be found in wind turbines and solar farms.

Green MP Ellie Chowns said steel is integral to the "green industrial transformation" - including making wind turbines, trains and tracks - and nationalisation would give the UK the control it needs to renew the industry.

Spain exports a lot of gas turbines to the US, alongside tonnes of olive oil.

"Our fears are it could be packaged off or further broken up. Our fears are that people might want to buy it simply to put wind turbines on it," he said.

Phillip's mine is plugged directly into a hydro-electric power plant that channels some of the Zambezi's torrent through enormous turbines to generate continuous, clean electricity.