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Sinar ultraviolet tipe C dapat membunuh mikroorganisme seperti bakteri, virus, dan jamur Sinar UVC memiliki panjang gelombang yang sangat pendek, sehingga dapat merusak DNA mikroorganisme, mencegah mereka untuk bereproduksi, dan akhirnya membunuh mereka Ini membuat sinar UVC menjadi metode efektif dalam sterilisasi dan disinfeksi, terutama di lingkungan medis, makanan, dan industri Namun, perlu diperhatikan bahwa sinar UVC juga dapat berbahaya bagi manusia
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