Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
핵생물화학무기는 현대 전쟁에서 매우 위험한 무기입니다.haeksaengmulhwahakmugi-neun hyeondae jeonjaeng-eseo maeu wiheomhan mugi-imnida.Nuclear biological chemical weapons are very dangerous in modern warfare.