English to Russian Bus/Financial Management

Документ Core Competencies компании

Representative job activities:
Base decisions on facts and quantitative data rather than opinions, assumptions, and personal bias.
Review changes in end customer needs; new technology; or the competition for improvement opportunities.
Diagnose, verify, and *duplicate customer complaints*; conduct tests and make adjustments to the product, process or service.

Не совсем понимаю "duplicate customer complaints"

Спасибо.