[연구중인 기술]
https://arca.live/b/fakenation/538371 증기기관
[사용 가능한 기술]
https://arca.live/b/fakenation/538531 연필
https://arca.live/b/fakenation/531259 신문
https://arca.live/b/thesecondfakenations/511113 체스
https://arca.live/b/fakenation/531301 활판인쇄술
https://arca.live/b/thesecondfakenations/469904 인쇄술
https://arca.live/b/fakenation/547038 롤러 스피닝 기계
https://arca.live/b/fakenation/547038 플라이어와 보빈 시스템
