How is "- An ergonomic program, under which a specialist had examined 500 working stations and advised their users." said in French?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
- Dans le cadre d’un programme ergonomique, un spécialiste a examiné 500 postes de travail et prodigué des conseils aux utilisateurs.