Good evening! I found a conversation in the provided sources discussing the yearly performance appraisal process. However, it doesn't specifically address blue-collar employees. You may find some insights from this conversation thread:
https://theshapeofwork.slack.com/archives/C03QZ4GMUSJ/p1675834062633959 If you need more specific information about blue-collar employee appraisals, please let me know, and I'll do my best to help.