One of the trigonometric functions is the secant.

My grandfather used to work in charcoal production.

We have developed a new method to produce charcoal from wood.

He is always chasing the latest fashion, worrying about keeping up appearances.

This holy nail is carefully stored as a treasure of the church.

She held the baby in her arms and sang a gentle song.

This computer operates on a nanosecond scale.

She was sold as a sex slave in the past.

He can't distinguish right from wrong.

The rights of sexual minorities should be respected.