Look at the wage demands making news in South Africa in July of this year.

https://af.reuters.com/article/investingNews/idAFKCN1U41TP-OZABS

"The majority union in the platinum sector, the Association of Mineworkers and Construction Union (AMCU), said it had presented its demands to Anglo American Platinum (Amplats) and would do the same to the rest of the firms this week.

“It is important that they look at their employees wages and there is nothing really they can cry foul of, we are hopeful that they will look into lending an offer that is reasonable,” said AMCU General Secretary Jimmy Gama."

AMCU has demanded a hike of 17,000 rand ($1,145) per month, or around 48%, for its members.

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I'm thinking back to 2013 . Are the chrome workers "currently"   ...happy? 

https://www.reuters.com/article/safrica-amcu-glencore/s-african-union-gives-glencore-ultimatum-to-rehire-sacked-workers-idUSL5N0F42MB20130628

Demand a hike of 48% per month for its members?? And would do the same to the rest of the firms this week??

That word "members" is interesting. The SA chrome miners...are also members of AMCU.

In reading this story, I would assume that the demanded hike applies to All members whether they mine platinum, coal or chrome or other stuff.

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Electricity prices of Eskom .... potential ..Wage demands at the same time...Sounds very expensive.