Iron-sulfur proteins are essential for various biological processes.

I need to practice my mid-irons before the tournament.

The making-irons are essential tools for blacksmiths.

I need to buy some new plane irons for my woodworking project.

The construction workers used road irons to smooth out the asphalt.

I need to buy some rub irons for my laundry business.

The blacksmith used the running irons to shape the horseshoes.

I need to buy some scribing irons for my woodworking project.

He carried a pair of shooting-irons for self-defense.

He always carries his shooting irons when he goes hunting.