For car tyres, you may get only 10000 k's, or even less, if you are harsh. But if you treat them right, a good tyre could last 80000 to 100000 k's. All tyres have a tread wear indicator. Once you tyre is close to this indicator you should be looking at replacing them.
American Association of Physicists in Medicine. The annual Physics Pheud, at the 55th AAPM Meeting in Indianapolis in 2013. The American Association of Physicists in Medicine (AAPM) is a scientific, educational, and professional organization of Medical Physicists. Its headquarters are located at 1631 Prince Street, Alexandria, Virginia.
Attendance Allowance (AA) is a non-means-tested and non-contributory benefit paid to people aged 65 and over who have personal care needs because of their lung condition. AA is paid at one of two rates, higher or lower depending on the level of problems you have.