Complement your speech with visual aids.
A visual aid locating the district might be helpful, though we can't assume we'll have an overhead by then.
Your slide show is just a visual aid.
A couple of days before our speeches were due, I had the bright idea of going to the local branch of the Humane Society and borrowing a puppy to use as a sort of a visual aid.
Code for construction and acceptance of civil airport visual aids
The manufacture and development of new visual aids will further improve visual rehabilitation.
