What is the current Korea Standard Time?

The Great Kanto Earthquake that occurred in 1923 is one of the most damaging earthquakes in Japanese history.

My friend came from the Republic of Korea.

Alkenes, also known as olefin hydrocarbons, play an important role in organic chemistry.

Alkynes play a very important role in organic chemistry.

In chemistry class, I learned about alkanes.

Alkenes play a very important role in organic chemistry.

The Simple Network Management Protocol is for making the management of network devices easier.

This document contains environment-dependent characters.

This old television uses a cathode ray tube.