Sentence examples for a personnel from inspiring English sources

The answer depends on the context and how you are using the phrase.
A personnel can be used to refer to a body of people employed by an organisation or institution (e.g. "The company has a large personnel"). It can also be used to refer to specialised equipment or a set of procedures used by a military or law enforcement organisation (e.g. "The police department has a new personnel for dealing with hostage situations"). For example, "The company trains its personnel on a regular basis to ensure they are up-to-date on all safety procedures."