A dirty air filter will cause your RAV4 to lose 1 - 3 mpg, depending on your driving, you can save 70 - 100 gallons of gas per year simply by changing your filter regularly. The video above, shows you where the engine air filter is located in your RAV4 and how to change it!
Flatbed scanners let you scan an array of documents including photographs, loose documents and pages within a book as well as any item that can lay flat on the scanner's surface. The devices interface with Windows, Mac and Linux systems and come with user-friendly application programs.uring the scanning process, documents lay flat on the device's glass platform and do not have to move through a series of feed rollers like drum scanners. This reduces the risk of the documents being damaged or getting caught by the rollers inside of handheld or drum scanners.
A flatbed scanner is a type of scanner which uses a flat, glass  surface for scanning documents. Some of its disadvantages are  scanning is done page by page, too much desk â¦ space is taken and not  suitable for film scanning tasks. 1 person found this useful.n advantage of a scanner is the ability to produce accurate and  high quality images. A disadvantage is the amount of memory the  images can use.