He recognizes the danger of extremism.

Fluoromethane plays an important role in chemical reactions.

Chloromethane is often used in organic chemistry experiments.

Difluoromethane is widely used as a refrigerant.

Cyclopentane is a compound often used in organic chemistry.

Cyclooctane plays an important role in organic chemistry.

He used a metal detector to search for treasure on the beach.

Spending time with family on Christmas night is the best.

I want to eat a beef bowl.

The lens of this camera is easy to attach and remove.