Museums / Trade shows

Museum n.:
A repository or a collection of natural, scientific,
or literary curiosities, or of works of art.
Exposition n.:
The act of exposing or laying open; a setting out
or displaying to public view.

Museums collect and care for objects of scientific, artistic, or historical importance and make them available for public viewing through exhibits that may be permanent or temporary.
A trade fair (trade show or expo) is an exhibition organized so that companies in a specific industry can showcase and demonstrate their latest products and examine recent trends and opportunities.
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