Final answer:
Active listening and note-taking is another technique besides abbreviations that saves time when receiving an op order.
Step-by-step explanation:
In addition to abbreviations, one other technique that saves time when receiving an operational order (op order) is active listening and note-taking. By actively listening to the instructions and taking notes, you can understand the key points and tasks without having to read and reread the entire order. This helps in quickly grasping the important information and acting upon it efficiently.