You need to use your head to solve this problem.

Bishu is a beautiful region in Japan.

We have the appropriate equipment for mountain climbing.

Let's thoroughly prepare for the exam.

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.

We respect Japanese culture.