But collagen isn't just for healing boo-boos. It also plays an important role in how skin ages. Gordon explains that collagen is the support structure that gives our skin a firm, young appearance. When levels remain plentiful, our skin looks young and fresh. When levels decline, we lose that support and wrinkles begin to form.
The value of a used car can be difficult to estimate because many factors, such as year, make, model, condition and upgrades can all affect how much itâs worth. The Black Book is a car valuation guide that can be used to help determine the value of used cars. History The Black Book was established in 1955 by three businessmen in Gainesville, Georgia, who regularly attended auto auctions.
Wondering if your car has a black box? The Harris Technical site lists the year, make and model of nearly every car that includes a black box. You can also check your car's manual. If you're buying a car from a dealership, they have to tell you if the car has a black box. What do black boxes record? While the first-generation event data recorders did little more than track whether or not the car's airbags deployed, recording and sensor technologies have become smaller and much more powerful. The NHTSA has mandated that every new recorder must track 15 variables.