How about trying a new restaurant?

I don't know if he will come.

We are focusing on the research and development of new products.

Developmental dictatorship can bring about economic growth, but there are also issues of human rights violations.

He is a second-year high school student.

He works digging out coal.

Ammonium carbonate is a compound commonly used in inorganic chemistry.

My grandfather used to work in charcoal production.

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

This factory manufactures iron using coke.