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Currently, most of the materials used to make nanoscale materials such as carbon, silver, iron, titanium oxide, aluminum oxide, cerium oxide, zinc oxide, silica, silicon oxide, dendrime, and including nano clay in ink formulations and coating, although not necessarily with immediate effect.
Publisher Vietnam Education has edited books printing paper, paper whiteness ISO former 80-82 to 73-75 ISO whiteness kind, to ensure anti-glare and do not affect vision students, "said Nguyen Minh Khang, Deputy Director of the Education Publishing House said.
Festival tourism businesses donate to customers, partners, when spring is the desire to convey messages and good wishes and warmest to the recipient
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