Quarry Southern Africa July 2018 | Page 5

NEWS 4 FEATURE : PROBING THE FINES 24 FEATURE: WATER IN THE BIG PICTURE 28 ENVIRONMENT IN FOCUS 36 ASSOCIATIONS 39 INSIGHT 40 16 TECHNOLOGY 20 BENEFICIATION 32 BUSINESS Softening hard rock Floored by precast concrete In the lime-light In response to improving mining safety and efficiency, Italian manufacturer Tesmec has developed the Rock Hawg — a machine specialising in surface mining. Quarry Southern Africa spoke to Tesmec technical chief Flavio Villa to find out more. Hollow-core slabs have become the preferred precast concrete technology for constructing floor structures in Polokwane. This technology assists home builders by accelerating construction time and mitigating risks associated with typical residential projects. Building contractors are sourcing the lion’s share of this construction material from CoreSlab. Despite its importance, lime does not receive much attention in the mainstream financial media. More ‘glamourous’ commodities like copper, cobalt, and lithium have hit the headlines lately, especially with the development of typical Fourth Industrial Revolution technologies. Lime, however, is a key component of these commodity value chains. QUARRY SA | JULY/AUGUST 2018 _ 3