In the 21st century, our fixed ideas have been changed completely. Paradigm shift exists as a basic term of modern society, and it is the time to face all environmental changes. It is natural to respond flexibly to environmental changes, but it is more important to be aware of them immediately. In order to know micro-level changes, you have to pay attention to macro-level ones. IRuniverse believes that making an examination of contents with a broader perspective is important. We started with metal resources but can deliver articles of all resources. Our principle is to deliver the right messages of resources at the right time to you. We greatly appreciate your support and engagement. Sincerely yours, Yuji Tanamachi

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