You've found a roadworks job, and the employer has asked whether you hold a Yellow Card. You search for training and find Blue Cards, Red Cards, implementation courses and even …
You've been offered a kerbside traffic job, or a plant operator has asked whether you hold a Yellow Card, and suddenly one short phrase seems to cover several different things. …
You're on site, your Blue Card or Yellow Card is close to expiry, and the supervisor wants to know whether you can keep working next week. That's the moment a …