--local drain, amount = robot.drainDown()
      --print("Lava drained: " .. drain)
      --if drain then
      --  print("Storing " .. robot.tankLevel() / 1000 .. " buckets of lava!")
      --  print("Can store " .. robot.tankSpace() / 1000 .. " more buckets.")
      --else
      --  print("Couldn't store lava!")
      --end