His defense is like an iron wall.

This industry is dominated by a cartel.

He is using a lead in an old printing press.

My computer uses an Intel processor.

His plan fell apart after receiving a crushing blow from his rival.

My favorite pasta is tagliatelle.

He is afraid of being labeled by society.

He is suitable for this job.

I think he is qualified for the job.

The iron law for maintaining health is a balanced diet and moderate exercise.