The primary contributor of skin color is the pigment known as melanin. The quantity of melanin in the skin varies based on genetic factors and is also dependent on the degree of sun exposure. Melanin is produced by specialized pigment cells known as melanocytes.
Average new tires used on cars typically start with 10/32 to 11/32 of original tread depth. Tires are considered worn out. In most States when they reach 2/32 of remaining tread depth. Ans 2 - Here in Canada (and I'm sure in many parts of the US ) we get a lot of rain.
Our Tire Retread Process. Our experienced technicians will do the following: 1  Inspect the condition of your tires and ensure that your current tires are still usable. 2  Buff away the remainder of your old tread.  Apply an entirely new rubber tread using specialized machinery.