Defuse the Bomb 1

The local school was discovered a very large bomb that could spread half of the quarter. You go to a specialist to try as soon as possible to defuse it. But you do not have with me the tools you 'll need to find another way to defuse it. Inspect the premises in search of useful items that would help you. Some of them can be interconnected to apply in solving the puzzle solving, you will be selected closer to solving major mysteries.