1- Definition of the nature of materials and their properties. 2- Study the difference between bulk materials and nanomaterials. 3- How to extract nanomaterials from waste in various fields and benefit from them again. 4- How to benefit from the physical and chemical properties of nanomaterials. 5-How to use it in different applications A study on how to identify the differences between bulk materials and nanomaterials in terms of their different properties. A study on how to extract nanomaterials from various wastes and how to utilize them in various industries.