After centuries of silence, the first mentions of Albanian bitumen appeared solely in 1868, when the Frenchman Coquand published the first geological description of the deposits of Albanian bitumen. In 1875, the exploitation rights were granted to the Ottoman authorities and in 1912, they were transferred to the Italian company Simsa. Concrete encapsulation of radwaste is presently thought-about a safer alternative by the nuclear industry and the waste administration organisations. In 1826 or 1827, it was used by French scientist Joseph Nicéphore Niépce to make the oldest surviving photograph from nature. https://en.wikipedia.org/wiki/Sodium_hydroxide was thinly coated onto a pewter plate which was then uncovered in a digicam.

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