We are heading to the airfield.

His actions are against public order and upstanding morals.

My father works at that factory.

She decided to try out her new eyeshadow.

They have been friends for a long time.

Wave function is a fundamental concept in quantum mechanics.

He continued hard labor all day long.

He explained to me in detail about the constellations of the zodiac.

We pray at the Buddhist hall every Sunday.

He was involved in the development of guided missiles.