She is primarily responsible for the project.

The primary goal of the project is to increase efficiency.

The principal reason for his success is hard work.

Honesty is a principle that I live by.

prior to lightning strike, describe where and how the charges build up

Priority should be given to safety in any situation.

I consider it a privilege to have been able to work with you.

She won the first prize in the competition.

The procedure for applying for a visa is quite complicated.

Let's proceed with the plan.