$activities = array(
  0 => 'None',
  1 => 'Manufacturing',
  2 => 'Researching Technology',
  3 => 'Researching Time Efficiency',
  4 => 'Researching Material Efficiency',
  5 => 'Copying',
  6 => 'Duplicating',
  7 => 'Reverse Engineering',
  8 => 'Invention',
  11 => 'Reactions'
);