Should take extra caution and prudence should have a copy stored credentials when needed, because mail order causing the obligation towards the author. Mail as soon as possible. Therefore, mail order is more than important.
Should be viewed with caution Be extra careful and should have kept a copy as a reference when needed mail order. Pose obligations to the letter immediately, so mail order is more important.
Should be used carefully be careful and should have a copy kept as reference. When necessary, because mail order, causing the obligations to the author. The letter immediately. So, mail order is much more important.