This app is a collection of educational and illustrative pictures that are intended to be helpful in enhancing one's knowledge of how various types of mechanical engines work. The various pictures that are included in this app will help you to better understand the operation of a particular type of engine.

The pictures included in this app are the result of our own efforts to provide you with quality, educational material. Therefore, any images that are shown in this app are of unknown origin.

If you are the rightful owner of any of the pictures/wallpapers posted here, and you do not want it to be displayed or if you require a suitable credit, then please contact us and we will immediately do whatever is needed either for the image to be removed or provide credit where it is due.