A Pedra da Riqueza
A Pedra da Riqueza
5.5 A Pedra da Riqueza
1975, 16 m
Documentary
The contrast in the extremely rudimentary form of xelite mining and the use of tungsten, obtained from xelite, in the most complex instruments of nuclear technology.
5.5 A Pedra da Riqueza
1975, 16 m
Documentary
The contrast in the extremely rudimentary form of xelite mining and the use of tungsten, obtained from xelite, in the most complex instruments of nuclear technology.