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Roelf Diedericks

Roelf Diedericks

Gear failure explained

30th July 1999 When it comes to gear failure, there is good news and there is bad news. The bad news is that the cause of gear failure can range from excessive wear to catastrophic breakage; the good news is that gear failure can be prevented. In order for gear failure to be prevented, however, one needs to... 

R12,5m fire equipment upgrade

23rd July 1999 A 22-STOREY building which houses the offices of government ministers is having its fire safety equipment upgraded by Concor Western Cape, a division of Concor Civils. The R12,5-million project includes the installation of new fire-detection alarms, sprinklers and fire-escape stairways.... 

New mining methods colloquium

18th June 1999 New mining methods and systems for narrow-reef mining will be the topic of a colloquium to be hosted by the South African Institute of Mining and Metallurgy on July 29. In the South African mining environment, a number of alternative gold-mining methods are being proposed and tried, such as... 

Aluminium opportunities reappear in Venezuela

21st May 1999 Venezuela has adopted a new strategy for the privatisation of its State-owned aluminium and bauxite assets, Mining Weekly can today report. This follows the appointment of new heads to the Corporacion Venezolana de Guyana (CVG), the parastatal which holds the various aluminium plants and bauxite... 

Tanzania sweetens telecom privatisation

7th May 1999 Tanzania’s government intends to sweeten the privatisation process of the State-owned Tanzania Telecommunications Company (TTCL) by granting it a cellular licence before any other company in the country, Engineering News can today report. Information obtained from the Tanzania High... 

Advanced gelcoat technology for SA

7th May 1999 The most advanced gelcoat technology worldwide is represented by Polycor Gelcoat, with market-leader status in every country where it is marketed. Since the opening of Cray Valley’s sophisticated R2,5-million Polycor gelcoat plant in Prospecton, south of Durban, this technology has been... 

Piping in changes to the market

7th May 1999 After a major product development over the last two years, pipe galvaniser RIH Tube, of Elandsfontein, Gauteng, can now offer a comprehensive customer-control programme to complement and support the changes. “We have been largely responsible for pioneering the product changes that we... 

Latest mining tech all under one roof

30th April 1999 With this year’s Engineering Technologies ’99 exhibition being widened to include the environmental and mining industries, Sandton-based company Famsystems decided to take a stand. MD Juan van Kerkhoven reports that the company is involved in environmental control, air-pollution... 

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