Navajo Indian Expert. 'enemies with the cultivated lands in arroyos' The word Navajo is derived from Spanish hearing of a Tewa Indian word navahu'u or  na-ba-hu-u  meaning wide or river bottom fields.The Spanish were trying to tell apart the different Apache related groups.Apache  is thought to come from Zuni for enemy.avajo Indian Expert. 'enemies with the cultivated lands in arroyos' The word Navajo is derived from Spanish hearing of a Tewa Indian word navahu'u or  na-ba-hu-u  meaning wide or river bottom fields.
The combination of the two-digit number and the alphabet indicates the service of the tire. This combination also helps in recognizing the load index and the speed rating of the tire of the car. It is very important to know in detail about the numbers that are present on the tire of the car. It is important that you buy the perfect tire for your vehicle by inspecting various factors like the speed index of the tire, the diameter of the rim of the tire, aspect ratio and many more factors.
Tire Width is the width of the tire measured in millimeters from sidewall to sidewall. The first three-digit number in the tire size refers to the tire width. For instance, in a size P215/65 R15 tire, the width is 215 millimeters. Aspect Ratio is the ratio of the height of the tire's cross-section to its width. The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire's width. The bigger the aspect ratio, the bigger the tire's sidewall will be. Construction.