.

Máy khử trùng sách

Are those books at your library truly safe? Lots of bookworms, bacteria like novel swine-origin influenza A (H1N1), virus, colon bacillus, dusts, molds and variety of vaporizing infectious virus reside inside those books used under the custody of libraries. As well, it is known that those chemical substances such as Ammonia, Xylene & Formaldehyde produced in the process of...