10. How many years do they usually raise money needed for the restoration of an old steam locomotive? a) about ten years c) a few decades b) about twenty years d) they don't collect money for it

The correct answer is c) a few decades.<br /><br />Restoring an old steam locomotive is a complex and time-consuming process that requires significant financial resources. It typically takes several decades to raise the necessary funds for the restoration of such a locomotive. This process involves extensive research, sourcing of parts, skilled labor, and often collaboration with various organizations and individuals who are passionate about preserving historical machinery.