Please tell me the way to solve this problem.

We are considering introducing a new voting system.

Learning a new input method is difficult.

The police used a water cannon against the demonstrators.

He is active as the chief information officer of our company.

Phoenix is one of the constellations in the southern hemisphere.

You can use spectroscopy to examine the components of a substance.

When he opened the supernatural box, an astonishing power was released.

An arc discharge occurs when electricity passes through the air.

Trigonometry is a branch of mathematics that studies the relationship between angles and triangles.