See also:

Speed rating
The speed rating is part of the tire identification. It specifies the speed range for which the tire is approved. ...

Tire tread
WARNING   Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we r ...

Removing a CD/DVD
Press the eject button. The drive ejects the disc. Take the disc out of the slot. If you do not take the disc out of the slot, the drive will draw it in again automatically after a short whi ...