caption: The image shows a drawing of a steam engine on a white background. It is a machine with a cylindrical shape and a handle on the side. The engine is composed of several components, including a cylinder head, a piston, and a cylinder block. The cylinder head is connected to the piston and the cylinder block is used to propel the engine forward. The drawing is detailed and shows the various components of the engine, such as the pistons, valves, and other components.