His role is to fulfill his responsibilities as a leader.

It is important to understand the importance of health.

This year's output increased by 20% compared to last year.

We are planning to establish a new production line.

He is one of the main producers in this region.

This factory has introduced the latest machines for mass production.

In Marxism, it is said that the relations of production form the foundation of society.

The activity of brain cells directly affects our thoughts and actions.

Cytology is a branch of biology that studies the structure and function of cells.

Stem cell research is opening up new frontiers in medicine.