The term "high-velocity fan" requires a hyphen.
When is a hyphen used/
There are several situations that require the use of a hyphen and one of them is to join two adjectives such as "high" and "velocity" to form the compound adjective, "high-velocity."
It can also be used when joining words to make a compound noun and can also act as a prefix for certain words.
Find out more on hyphens at https://brainly.com/question/1276408.
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