**Acknowledgements**

I want to thank the author and the publisher of the book for the invitation and decision that my work is worth to present for publication. I want to thank my company Huawei and my managers for giving me the time to dedicate to this chapter. I want to thank my family for the support and motivation they give me each day. I want to thank my colleagues and professors for the solid technical and practical knowledge I gained during my studies and work experience, which turned to be very useful in writing this chapter.

*Understanding the Need of Raw Materials, and Eco-Friendly and Cost-Effective Methods... DOI: http://dx.doi.org/10.5772/intechopen.108922*
