It is an explanation method of listing numbers and making comparisons. 6000 degrees Celsius is an explanation method of listing numbers. When steel touches it, it will also turn into steam. It is an explanation method of comparison.

Listing numbers is also called listing data. It is a method of quantitatively explaining the characteristics or reasons of things, making the statements more accurate, scientific, specific and convincing. Figures must be accurate and estimates must have a reliable basis. Note: Listed times and years are not column numbers.

Comparison is an explanatory method in expository writing that compares two identical or different categories of things or phenomena to illustrate the characteristics of things. Its function is to highlight certain characteristics of things.

Extended information:

The explanation method can increase the reader's impression of the article and the thinking skills. The first is its role in explaining the characteristics and nature of things, and the second is the authenticity and rigor of the explanation. nature, scientificity, and accuracy, and the third is the imageness, vividness, and accuracy of language.

Good expository texts often use this kind of sentences to highlight the things and characteristics to be explained, and to grasp the characteristics of things. The characteristics of things are mainly expressed in their structure (internal and external), shape (size, length, etc.), nature (hard, soft, cold, hot, etc.), changes (dynamic, still, fast, slow), causes (simple, complex), functions (wide or narrow, pros and cons), etc.

Generally speaking, the main points to be explained in expository texts are often the characteristics of things. In addition to the key points of the explanation, it is also necessary to find out which aspects of the characteristics of things the author introduces and from what angles.