Although the preview before the questions is helpful, do not look for the exact item that was shown on it when you see the actual question.Learn the item’s traits and use them to locate them in each question, as you practiced. Every item given in the exam will be shown in a preview before the questions. Scanning an X-Ray image is a skill, and practicing is the way to master it. On the actual test, you may encounter everyday items that you haven't seen before in your practice sessions. This should not alarm you. ![]() In black and white images, denser materials (metal) will appear in darker colors, while organic (less dense) material will appear brighter. Some States may use X-Ray images with different colors or black and white colors. The principles of X-Ray image scanning, however, stay the same: scan the bag as you practiced and search for the distinctive features of the items you are looking for. ![]() However, it is better to learn to identify its parts rather than relying on the colors, as they may appear different in other X-Ray machines. Usually, the body of the grenade appears in green or blue. Its lever, however, is sticking out and indicates its location. ![]() The grenade appears black because of the increased density of the grenade and the tablet together. The grenade in this question is masked using a tablet. When identifying an object that may be a grenade, look for the prominent features a grenade has – the lever and safety pin.
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