Sales demonstrator and Sales rep

Sales demonstrator noun - Someone who demonstrates an article to a prospective buyer.

Sales rep and sales demonstrator are semantically related. In some cases you can use "Sales rep" instead a noun phrase "Sales demonstrator".

Sales rep noun - A person employed to represent a business and to sell its merchandise (as to customers in a store or to customers who are visited).

Sales demonstrator and sales rep are semantically related. Sometimes you can replace phrase "Sales demonstrator" with "Sales rep", this phrases are similar.