Due to a planned power outage tomorrow, electricity will not be available from 9 am to 3 pm.

He is suffering from a disease of the thoracic diaphragm.

What is the market price of this product?

He is researching the effects of underground nuclear tests.

My younger brother was diagnosed with keratoconus.

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

He read the small print using a magnifying glass.

He is an expert in nuclear physics.

He solved the problem by hook or by crook.

I am planning to go to Tokyo next week.