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Hazardous Materials can be defined as dangerous goods which can be harmful for the people and environment. The Hazardous Materials include oxidizers, corrosive, radioactive, explosives, poison, gases, liquid flammables and combustibles, solid flammables and combustibles and other dangerous materials. Bio-wastes in the form of used needles and scabs from polio shots as well as blood [...]

Generally speaking, the role of material can not be overlooked. It has a close relationship with national economy, national defense and national lives. In our daily life, there are a lot of materials and their classifications have no unified standard. There are main two classifications, namely structure material and functional structure. The former refers to [...]