Fashewar Shenhai-Hujja
Na farko, Hasken bayyane wani nau'i ne na radiation na lantarki, amma irin wannan nau'in radiation a halin yanzu ba shi da wani tasiri a jikin mutum.
An ƙirƙira da samar da fitilun da ke hana fashewa bisa ga ƙa'idodin aminci, don haka babu buƙatar damuwa yayin amfani da su.