Answer:
E. technical description
Explanation:
The type of technical writing used in this passage is known as "technical description"
Technical description refers to the text which the description of an object or process. In its description, it reveals the parts, function, and details. Technical description actually follow a pattern.
Firstly, the name of the object or process is stated and then the function is described. The writer then adds significant component of the object or process by providing explanations and physical descriptions of the component.
A technical description can be short just only a few lines (e.g. in this attached link) or it may be many pages.
From the excerpt, we see that the writer introduces the set of screwdriver and goes on to explain some of the parts of the screwdriver.
