A model is a three-dimensional of a person/thing or of a proposed structure.
A mock up is a model or replica of a machine or structure, used for instructional or experimental purposes.
A prototype is a first or preliminary version of a device or vehicle from which other forms are developed.
Answer:
most of the time it was from news papers or billboards in school and since things were alot safer then kiss could go out with there friends all the time so they also saw news posted on walls of store or the ppst boars at the park
