He chose to self-immolate to express his protest.

This rayon thread is very durable and long-lasting.

He likes to read old novels.

This certificate is proof that you have completed the course.

The commercial ship has entered the port.

Where is my authentication certificate?

I was amazed by his unparalleled skills.

Saltpetre is one of the main ingredients of gunpowder.

In this area, snow removal work is necessary when winter comes.

He made up his mind to apply for a new job.