People Who Suffer Depression And Anxiety After A Traumatic Brain Injury May Have Damaged White Matter. Jun 16, 2015 12:00 AM By Ed Cara @EdCara4. Researchers from the University at Pittsburgh Medical Center may have figured out why people suffer depression and anxiety after a concussion.
How to Read Speed Rating, Load Index & Service Descriptions. Using a P195/60R15 87S tire size as our example, the 87S at the end of the size represents the tire's service description. A service description identifies the tire's load index and speed rating.
SPEED SYMBOLS. The speed symbol determines. the maximum speed allowed for. the rated loads of the tire. From. the table above, A8 means the. maximum speed allowed for the. rated load of the tire is 40 km/h. or 25 mph.