It is a very well-designed app with easy navigation and a great interface. The app includes the mandatory, informative, and warning signs, and the questions. You will be able to understand the questions better by reading the answers and the explanations.

The app is very well-designed, with easy navigation and a great interface.

You will be able to take the test in two different modes: Practice Mode and Start Test. The first one is used to answer all the questions, and the second one is used to take a look at the results and the explanations.

It includes more than 70 mandatory, warning signs, and questions.