Niacin is a type of Vitamin B3, which is important for maintaining healthy skin and nervous system.

Singani is a traditional distilled liquor from Bolivia.

The foolish servant ignored the emperor's orders.

He engaged in psychological warfare in the chess match.

Full speed ahead, we should move towards our goal!

He was a loyal retainer, swearing absolute loyalty to the king.

The Sino-Japanese War was an important event in Japanese history.

He hit the ball with the sweet spot of the bat.

The impression I got from his words and actions was very good.

In order to calculate the centroid of this shape, you need to know the area of each part and the position of its centroid.