UTQG ratings (top) and tire code (bottom) on sidewall of Continental ContiProContact tire. Uniform Tire Quality Grading, commonly abbreviated as UTQG, is the term encompassing a set of standards for passenger car tires that measures a tire's treadwear, temperature resistance and traction.
Whose is a possessive pronoun. It tells you who it belongs to. It is an adjective that describes something. Who's means who is, it is a contraction,of those two words, and is a noun and a verb. Now, can we discuss its and it's - same difference, let's see someone get that one right once in a while. SUE Â· 9 years ago.
The Bottom Line. The difference between who and whom is exactly the same as the difference between I and me , he and him, she and her, etc. Who, like I, he, and she, is a subject â it is the person performing the action of the verb. Whom, like me, him, and her, is an object â it is the person to/about/for whom the action is being done.