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!
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.
1. Decide which method is best for you. Flatbed scanners are very cheap (you can purchase a good one for under $100) and most will have the ability to scan photos and slides. If you are primarily interested in scanning slides, look for one with a slide scanning attachment.. Do some practice scans. Test the scanner with various control images. Use black and white pictures to ensure that you are getting the full range, and that the blacks are black, not grey, and that the whites are truly white, and not off white, or worse, tinted with a colour.