My new safety razor is very easy to use.

Please always fasten your seatbelt when you get in the car.

This area is monitored 24 hours a day by security cameras.

He chose to discard a safe tile in mahjong.

The government is considering the security of its citizens as its top priority.

Thanks to your assistance, my project was successful.

I plan to renew my driver's license next week.

In our company, we always adhere to the principle of safety first.

The agenda of the Security Council is an important issue related to national security and defense.

The Security Council is the main organization for maintaining international peace and security.