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.
Mutual recognition agreement. A mutual recognition agreement (MRA) is an international agreement by which two or more countries agree to recognize one another's conformity assessments. A mutual recognition arrangement is an international arrangement based on such an agreement. MRAs have become increasingly common since the formation of the World Trade Organization in 1995. They have been forged within and among various trade blocs, including APEC and the European Union.