From Creamer Media in Johannesburg, this is the Real Economy Report. For over 30 years, Ash Resources has turned a waste product of Eskom's pulverised coal-fired power stations into an environmentally-friendly and sustainable building material. Schalk Burger finds out some alternative uses for this versatile product.

Tags: oecd, environmentally-friendly, roadtec, creamer, creamer media, michael donovan, astec underground, trencor, media, mike upton, eskom, engineering news, sustainable building material, coal-fired power stations, peet venter, ash resources, breaker technology inc, daniel pettersson, group five, american augers

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