4 SA NEWS
6 AFRICAN NEWS
10 GLOBAL NEWS
30 BENEFICIATION: Mix design process gets facelift
38 MARKETS
39 INSIGHT: Expecting increased investment in 2019
22 TECHNOLOGY 26 FACE TO FACE 36 ENVIRONMENT
Value of testing lies in the sampling 20 years ‘on the job’ Cannabis and the workplace
Many tests are conducted to check
the quality of aggregates, the core
components of concrete and road
building, therefore aggregate quality
really matters. This month Aspasa director Nico Pienaar
celebrates 20 years as director of Aspasa,
an era which has seen enormous changes
in the quarry industry. Pienaar discusses
what has changed over the past 20 years,
and the growth of Aspasa. Cannabis legalisation in South Africa
shifts from drug testing to impairment
testing to keep employees and workplaces
safe.
www.quarryonline.co.za
QUARRY SA | JANUARY/FEBRUARY 2019_3