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Article analysis:

The article is generally reliable and trustworthy, as it provides detailed information about the process of producing multi-layer graphene and graphite nanoflakes through liquid exfoliation of natural graphite, as well as statistical analysis of the nanoflakes size data which follows a log-normal distribution. The high quality of nanoflakes was also confirmed by Raman spectroscopy. However, there are some potential biases in the article that should be noted. For example, the article does not provide any information about possible risks associated with this process or any counterarguments to its claims. Additionally, it does not present both sides equally, as it only focuses on the advantages of this method without exploring any potential drawbacks or limitations. Furthermore, there is no evidence provided for some of the claims made in the article, such as that this method is simple, low cost and scalable for industrial applications. Finally, there is some promotional content in the article which could be seen as biased towards this method over other methods for producing graphene sheets.