Steel slag, a by-product of steel plants, is being used to develop and repair roads; Minister for Roads and Buildings inaugurates trial works near Mandadam village, close to the Secretariat in Amaravati

https://www.thehindu.com/news/national/andhra-pradesh/ap-to-use-steel-slag-technology-for-road-repairs-on-pilot-basis/article69893504.ece