Actually, the following Craig’s List job posting headline may need a colon instead of a comma:
“Part-Time Job Readiness Class Instructors Needed”
(click here to see the real job posting)
Unless this is to say that job readiness is to be part-time (we’d think not), it needs treatment:
As is: “Part-Time Job Readiness Class Instructors Needed”
With Colon Clout: “Part-Time: Job Readiness Class Instructors Needed”
Even better: “Part-Time Instructors Needed: Job Readiness Class”