local function getIngIndex (recipe, name)
  for index, ingr in pairs (recipe.ingredients) do
    if ingr[1] == name or ingr.name == name then
      return index;
    end
  end
  return 0;
end

local function hasIng (recipe, name)
  return getIngIndex(recipe, name) ~= 0;
end

local function tryRemoveWheel(recipe)
  if recipe.ingredients then
    local wheelIndex = getIngIndex (recipe, 'iron-gear-wheel');
    if hasIng(recipe, 'small-parts-01') and wheelIndex > 0 then
      table.remove(recipe.ingredients, wheelIndex);
    end
  else
    if (recipe.normal) then
      tryRemoveWheel (recipe.normal);
    end
    if (recipe.expensive) then
      tryRemoveWheel (recipe.expensive);
    end
  end
end

for _, recipe in pairs (data.raw["recipe"]) do
   tryRemoveWheel (recipe);
end