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By Steven Lumley, technical manager, WearCheck The third article in WearCheck’s series “When Good Oils Go Bad” features a discussion around nitration. Nitration is far less talked about than oxidation, yet in many engines, it is just as destructive and often more insidious. Unlike oxidation, which is driven by oxygen, …

Oxidation – the focus of part 2 of WearCheck’s “When Good Oils Go Bad” series – is one of the most common chemical reactions we encounter in everyday life. It occurs when fuel burns, when steel rusts, when wounds are cleaned with hydrogen peroxide and even when a cut apple …

The Investing in African Mining Indaba opened today with a compelling keynote address by President Hakainde Hichilema of Zambia, who offered a reflective yet forward-looking narrative on Zambia’s mining journey, Africa’s place in the global economy, and the urgent need for partnership-driven growth. Anchoring his address on the theme of …

Built for long life and high uptime availability, the durable new Cat® 707 wide body truck features a fully integrated Cat powertrain, including a Cat C13 engine, Cat automatic transmission and proprietary Cat axles. With its 66-tonne maximum payload, the versatile new wide body truck design offers the option of …

Women in Mining South Africa (WiMSA) has launched 2026 with a strong new theme: ‘Break the Ground, Own the Shift’, positioning women as central drivers of innovation, safety and inclusivity in South Africa’s mining sector. The organisation also announced Mogaleadi Seabela as its new President, succeeding Raksha Naidoo, whose tenure …

By Steven Lumley, technical manager, WearCheck Continuing the journey through the world of anti-wear additives with condition monitoring specialist company, WearCheck, this final instalment of the lube kitchen series looks at additives that work their magic under pressure – Extreme Pressure (EP) additives – the other metal guardians in your …

Ashanti Regional Minister, Frank Amoakohene, has vehemently denied recent allegations linking him to illegal mining, or ‘galamsey,’ operations, labeling the claims as “false, malicious, and completely without merit.” The accusations were publicly aired during a segment on Aluta FM (92.1 MHz) on Tuesday, November 18, 2025, where Wendell Yeboah, the …

Fighting against rust in lubrication systems is an age-old battle. This edition of WearCheck’s Lube Kitchen Series highlights the important role played by corrosion inhibitors. What are they? Metal phenolates, basic metal sulfonates, fatty acids, amines, Zinc dithiophosphates What do they do? Prevent corrosion and rusting of metal parts in …