We observed the reaction using soda ash in a chemistry experiment.

The octopus wiring in this room is dangerous.

He admitted defeat.

I prefer to use natural cosmetics.

He is an excellent arranger, and has produced many musical works.

He loves swimming in the water.

My father has been working as a silk manufacturer for many years.

A new large Ferris wheel has been built in the park.

He is a world-renowned seismologist.

This product is made of silicone resin.