The collapse of tin prices in October 1985, coming just as the government was moving to reassert its control of the mismanaged state mining enterprise, forced the government to lay off over 20,000 miners.
Kollapsen i tennpriserna i oktober 1985, som kom när regeringen var på väg att återfå kontrollen över det vanstyrda statliga gruvbolaget, tvingade regeringen att avskeda 20 000 gruvarbetare.