If you drive a vehicle or other piece of equiptment through fields, you may have trouble keeping the radiator clean. Seeds and chaff can clog the tiny spaces between cooling fins, and be very difficult to clean. I have found a simple piece of window screen placed flat against the front of the radiator will not restrict airflow noticably, but will make cleaning as simple as possible.
And he said, "I want to live as an honest man, to get all I deserve, and to give all I can, and to love a young woman whom I don't understand. Your Highness, your ways are very strange."