progress of mining造句

Since then, both the rhetoric, logic and progress of mining reform has changed little.
In Chiprovtsi's mines, they served as technicians and overseers, contributing to the technological progress of mining in the region.
The Institute at once assumed a role in monitoring the progress of mining activities in the County, with papers being delivered by persons of standing such as Josiah Paul, J . J . Berringer and William Thomas.
It's difficult to find progress of mining in a sentence. 用progress of mining造句挺难的