외경과 흥분을 불러 일으키는 주기적으로 하늘에 생기는 무지개는 광선이 물방울에 부딪힐 때 광선의 작용에 의하여 생긴다.
Moreover, to further ensure the legality of investigations in practice and make the Office’s procedures more transparent, the new version of the OLAF manual of procedures includes a body of administrative rules (which could be developed further separately from the current manualjw2019 jw2019