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Christy van der Merwe

Christy van der Merwe

Christy van der Merwe is a former contributing editor for Engineering News Online and Mining Weekly Online. She graduated from Rhodes University.

By Christy van der Merwe

PARAFFIN GEYSER
For low-cost homes

Alternative hot-water source for low-income homes

12th November 2010

Much focus has been put on the roll out of solar water heaters to deliver the benefits of hot water to those living in low-income households, however, entrepreneur Quintus Jordaan urges... 


Decentralised power could offer some supply-side relief

25th April 2008

Decentralised power, built closer to the demand rather than the power source, could help “bridge the gap” at a time of a power crisis, Group Five Energy MD Willie Zeelie said. Speaking... 


OUTDOOR SENSOR LIGHT
The mechanism makes use infrared sensors, microphonics, which detect sound, and high-frequency signals, which detect changes in a specified area

Occupancy sensor for controlling lights increases energy efficiency

17th August 2007

Lighting accounts for about 30% to 40% of a commercial building�s energy costs, and installation of so-called �intelligent lighting� is one of the fastest ways to increase the energy efficiency and... 


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SAIMC (Society for Automation, Instrumentation, Mechatronics and Control)
SAIMC (Society for Automation, Instrumentation, Mechatronics and Control)

Education: Consulting with member companies to obtain the optimal benefits from their B-BBEE spending, skills resources as well as B-BBEE points

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Weir Minerals Africa and Middle East
Weir Minerals Africa and Middle East

Weir Minerals Africa is a global supplier of excellent minerals solutions, including pumps, valves, hydrocyclones, wear-resistant linings,...

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Weir Minerals Africa and Middle East
Weir Minerals Africa and Middle East

Weir Minerals Africa is a global supplier of excellent minerals solutions, including pumps, valves, hydrocyclones, wear-resistant linings,...

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SMS group

At SMS group, we have made it our mission to create a carbon-neutral and sustainable metals industry.

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