positioning

“As well as demonstrating operating facilities, full-size car body models are used for experimenting with new types of interior finish, systems of lighting, positioning of route diagrams and advertisements, and the best form of windscreens at doorways, and the height and location of handgrips and handrails.”

“If you are following a book like Starting Electronics, however, a breadboard is even more useful. […] Differences lie between breadboards in the spacings and the positionings of the holes, and the number of holes in each group.”