There is a large fire wall in front of the fire department.

He was arrested for obstruction of public duties.

I can't find my Allen key.

Cell biology is the study of the structure and function of cells, which are the basic units of life.

Neuroanatomy is an important field of study for understanding the structure and function of the brain.

He is a salary thief, contributing nothing to the company.

Moura goes to bed at 9 o'clock every day.

The 24-cell is one of the geometric shapes in four dimensions.

The 120-cell is one of the regular polytopes in four dimensions.

He persuaded me to join the new project.