Who worked at the asbestos mines at Amiandos and the copper mines at Mavrovouni and Skouriotissa throughout the 1920s-1950s?
return the  asbestos mines at  Amiandos ;return the  copper mines at  Mavrovouni and  Skouriotissa ;return who  worked throughout the  1920s-1950s at  both #1 and  #2
['select', 'select', 'intersection']