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His father Mohamed Dadoo arrived in South Africa in the 1880s , in the wake of the first Indian immigrants who arrived in the 1860s as indentured labourers on the sugar fields . The term Application Profile is in common usage in the meta-data community and generally refers to the adaptation , constraint , and / or augmentation of a meta-data scheme to suit the needs of a particular community . He also became full-time secretary of the Sugar Field Workers ' Union in Natal , and began to make contact with the workers in the cane fields , among the most oppressed and exploited of the South African people . But my dresses were grimy and stained by the end of each day and I had to wash my hair in the sink every morning . Future Research Directions : In addition to ongoing efforts in the existing research projects , there are a number of areas that will require increased attention in the future : establishing a laboratory for image-based measurements of materials and light sources , an increased focus on physically-based animation and dynamics ( including motion control ) , the development of algorithmic tools and geometric representations suitable for representing complex geometry and deformable surfaces , and a greater emphasis on virtual and augmented reality environments to support activities in a number of other disciplines .