Years ago I worked in a dairy. Customer service s had a complaint, a Lego brick in a bottle of milk. Customer was adamant that it had come from the factory. After a bit of listening the telephonist remarked on the children in the background. How old were they? Oh that's nice. Thing is, we don't have any Lego brick s in our factory. Not even in the offices, and certainly not near the bottling lines. How about your grandchildren? Yes, thanks for calling.