An irrigation sprinkler riser technology which comprises of a flexible tubular body which is installed to join from the lateral water supply pipe to the sprinkler head, allowing adjustable positioning of the sprinkler at various angles or directions by means of an adjustable knob. The body of the

Conventional irrigation sprinklers which are fitted with rises pipes above the ground are prone to mechanical damage and disorientation. As a result, the lifespan of the irrigation system is shortened or the potential of irrigation systems to optimally irrigate the required surface areas are

Water hyacinth (Eichhornia crassipes) is an aquatic weed which has one of the highest growth rates of all plants in the world. This fast-growing plant causes numerous problems in water bodies. These problems are related to navigation, recreation, irrigation and hydropower generation. The complete

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