Be careful not to prick yourself with that needle.

The primary goal of the project is to increase efficiency.

Prime Minister is the most important position in the government.

The prime minister addressed the nation in a televised speech.

The principal reason for his success is hard work.

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

Priority should be given to safety in any situation.

She privately told me about her plans.

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

It is probable that it will rain tomorrow.