Meanings of using the iron in English

Now, instead of using the iron hand on them you show the yellow streak--

Before using the iron, wipe off any soot or coke or burned resin by means of an old rag.

The possibility of genetic labeling for cellular MRI was demonstrated by using the iron storage protein ferritin as the MR reporter-gene.

Certain methanotrophs are also able to switch to using the iron-containing soluble methane monooxygenase to catalyse methane oxidation, with this switchover regulated by copper.

I unpacked them all and started stacking them in piles on the floor, sorting by category and using the iron mice doorstops as paperweights.

Using the iron bar, he snaps the chains, flings open the doors, and watches them flee.

She must have stopped using the Iron Casket, because Vivian and Jonathan both found they could move as they wanted.

"He's escaped a few times in the past, before we started using the iron," Shard replied, looking pleased with herself.