While fracture filling as a method to enhance gems has been found in gems over 2,500 years old, the diamond's unique refractive index required a more advanced solution than simple wax and oil treatments. This technology became available roughly 20 years after the time the laser drilling technique was developed.
The MANCOSA MBA is an internationally recognised postgraduate academic programme and, one of the most highly recognised in Southern Africa.
Tier 1 Countries that fully comply with the The Trafficking in Persons Act s minimum standards for the elimination of trafficking. Tier 2 Countries that do not fully comply with the minimum standards but are making significant efforts to bring themselves into compliance.ier 2 Watch List Countries on Tier 2 requiring special scrutiny because of a high or significantly increasing number of victims; failure to provide evidence of increasing efforts to combat trafficking in persons; or an assessment as Tier 2 based on commitments to take action over the next year.