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.
1 Measurable, reportable and verifiable nationally appropriate mitigation commitments or actions by all developed countries, and; 2  Nationally appropriate mitigation actions by developing country Parties, supported and enabled by technology, financing and capacity-building, in a measurable, reportable and verifiable manner.hese supported nationally appropriate mitigation actions will be subject to international measurement, reporting and verification in accordance with guidelines adopted by the Conference of the Parties.