For new vegans reading labels, you may often come across one of the lines below.
May contain traces of milk
Made in a shared facility with milk
May contain milk
Are these things still vegan friendly? Yes, they are.
These disclaimers are to alert people with strong dairy allergies about possible cross contamination. The product was made in a facility where other non-vegan foods are being made, but since dairy isn’t an intentional ingredient in your food, it’s all good.
Of course if you do have a strong dairy allergy where this cross-contamination would be dangerous, avoid these foods completely. You know the drill.