Answer:
reading is the best way for collecting data or information about the thing that we wanna know.
saving information is strictly confidential and intended for use in our live.
The purpose of technical writing is to provide sometimes complex information. This is the type of writing that will Assist a person with understanding more about a particular item ( a computer or a new drug) it Explains how an object works or how to complete a project, and its also used in technical jobs such as computer hardware, software, and engineering
hope that helps :)