The important thing is to back those points up, with another visualaid, even something as simple as hand illustrating your points on a white board or overhead projector.
Some agents have told me that they carry a a copy of the Federal Sentencing Guideline Table as a visualaid in showing targets how much prison time they could be looking at should they consider NOT cooperating.
While Tate Britain is showing his most famous industrial scenes, many of the Lowry's exhibits are art school sketches, preparatory drawings or visualaid memoires he made on scraps of paper while walking the streets of Salford and Manchester.
With the aid of visual and aural warnings, these safety enhancements use software, cockpit displays and related devices already installed on aircraft to alert pilots about potential mistakes.