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
이 약량계는 방사선 노출을 측정하는 데 사용됩니다.I yangnyang-gyeun bangsaseon nochul-eul cheugjeonghaneun de sayongdoemnida.This dosimeter is used to measure radiation exposure.