The use of this machine is simple.

Acrylamide is a type of chemical, especially used in the manufacture of plastics.

This is a kind of flower.

Chemotransmitters play an important role in the transmission of information between nerve cells.

We are working on the manufacturing of new products.

We are building a factory to manufacture new products.

This plastic toy is very durable.

What is this material made of?

He is majoring in chemistry at university.

This computer can be used by anyone.