The phrase emphatic iron of the fence is an example of

Personification

The phrase emphatic iron of the fence is an example of personification.

Personification is a figure of speech in which human qualities is assigned to something that is not human or not alive such as an animal, objects, or emotions. Personification is used to emphasize and describe a sentence for it to be clearly understood.

In the question given; The phrase emphatic iron of the fence is an example of personification. The iron of the fence was personified as the word ''emphatic" which is a human attribute was assigned to it in the sentence.