This fossil has been silicified over millions of years.

This rock was formed through the process of silicification.

This railway company is advancing the process of privatization.

The government announced a plan to privatize the post office.

She is good at anthropomorphizing animals.

He wrote a program to anthropomorphize the robot.

He personified nature and called it Mother Earth.

She personifies nature and treats it like a friend.

We should aim for the optimization of our operations.

We found a new way to optimize the project.