Coal; These are minerals that are formed spontaneously under the influence of internal or external factors and are extracted from underground. Minerals are found in nature as veins or beds between layers.

Technological improvements aimed at preserving and improving the desirable and pleasing features of the urban and rural environment, opening up beautiful and open spaces, increasing social work and ease of work, and the beauty of life.

Technology is defined as all of the knowledge, skills, methods and processes that develop, change and even transform the environment used to reach the goal in order to meet the needs and desires of people.