An Introduction to 안전공원
https://www.evernote.com/shard/s616/sh/e6419824-6775-4b0d-b6ec-d22b4320b93a/97dfb0c42ceb50ae1c265f3691408c1d
To start with, you create yourself as an authority in the discipline. Readers are more likely to pay attention to you should they truly feel you realize what you're talking about.