What is the relationship between the "black bear garage" and vehicle braking systems as described in the MOT inspection manual?

It seems there was a misunderstanding in the question you presented. There is no specific mention of "black bear garage" in the provided context related to MOT inspections for vehicles. The information given focuses on vehicle inspection guidelines and regulations, particularly concerning brakes and other safety features, but does not include any reference to garages or services under that name. If you meant to ask about a different aspect of vehicle maintenance or had another question regarding these inspections, please provide additional details so I can assist you accurately.