Seismologists use seismographs to accurately measure the magnitude of earthquakes.

My grandfather contracted poliomyelitis when he was young.

He succeeded in a difficult project with the spirit of 'ishi no ue ni mo sannen', which means great works are performed by perseverance.

This hospital has the latest defibrillator.

She is wearing braces.

There is a proverb that says, 'Plan your day in the morning and your year on New Year's Day,' which means that you should plan your day in the morning and your year on New Year's Day.