Sentence examples for cast iron rules from inspiring English sources

There are no cast iron rules, and you should use a measure of your own judgement.

Cinnamon is an unproven treatment, and as such there are no cast iron rules for the amount you should take in order to experience the potential health benefits.

Cast iron.

Beautiful cast iron works.

I'm using cast iron.

Cast iron, even enamel-coated cast iron, are suitable.

(Enameled cast iron is best).

Cast iron came into use around 1800.

Cast iron can be drilled dry.

Cast iron wasn't supposed to break.

But cast iron has so many benefits.