Almost 1 million South African Deaf people use South African Sign Language (SASL) as their primary means of communication as often they cannot speak, read nor read lips in any of the eleven official spoken/textual languages. This multi-ethnic group comprises Deaf South Africans who are largely

Green Clean Surfaces for Safe Food Preparation Nutridx® is a disinfectant enhanced by the addition of a natural anti-microbial compound. It has been specifically formulated to disinfect and sterilise of food and food processing equipment as well as internal and external hard surfaces. It has been

Indusdx® is a biodegradable disinfectant which has been enhanced by the addition of a natural anti-microbial compound. This environmentally friendly industrial disinfectant and biocide has been specifically formulated for use by manufacturers. It can be added to cleaning products, paint and other

In the manufacture of textiles, clothing and leather goods, using a nanoparticle catalyst, this one-step wastewater treatment system activates a powerful oxidiser. This produces sulfate radicals in the wastewater which will degrade the inorganic pollutants. These highly reactive nanoparticles are

Coarse particle transportation is essential for moving slurries, or fluids containing very high concentrations of pulverised solids, for example, hydraulic transport of coal ore or waste materials. Due to a scarcity of water and a high concentration of the solid particles, pipe blockages are common