Maintaining social order is the responsibility of all of us.

He bought stocks at that exchange.

That oil refinery is refining a large amount of crude oil every day.

My father works at an ironworks.

Despite his success, he always maintains a modest attitude.

His jokes are always funny.

She is my best friend.

He received a tax exemption.

Please proceed with the work in this order.

She was arranging and displaying the matryoshka dolls.