Protocol relating to the status of refugees (1967) Protocol relating to the status of refugees (1967) The protocol relating to the status of refugees of 1967 broadens the definition of the Convention Relating to the Status of Refugees of 1951. The main point of the protocol was to "grant all refugees the same status irrespective of the effective date of the 1st of January 1951." The protocol was completed on the 31st of January 1967 in New York City. Switzerland ratified the protocol on the 20th of May 1968. Germany ratified it on the 5th of November, 1969, and Austria ratified it on the 5th of September 1973.
Sapphire The alumina in the flame is slowly deposited, creating a teardrop shaped "boule" of sapphire material. Chemical dopants can be added to create artificial versions of the ruby, and all the other natural colors of sapphire, and in addition, other colors never seen in geological samples. Artificial sapphire material is identical to natural sapphire, except it can be made without the flaws that are found in natural stones. The disadvantage of Verneuil process is that the grown crystals have high internal strains. Many methods of manufacturing sapphire today are variations of the Czochralski process, which was invented in 1916 by