We established a library in the school.

He can always maintain calmness.

He always remains calm.

His vigor has the power to attract the people around him.

He is not good at talking with the opposite sex.

All the parallels on the earth are parallel.

This weir supports the water supply of the village.

I didn't think he would come.

Coitus interruptus is one of the methods of contraception, but its effectiveness is not 100%.

There were many casualties in that accident.