The course of thermal behavior of a fresh bituminous high-volatile coal during carbonization and pyrolysis was compared to that of this coal thawed after storage. The research was carried out using the following techniques: X-raying. thermogravimetry/Fourier transform-infrared spectroscopy (TG/FT-IR). extraction. https://www.graphikjunkie.com/product-category/specialty-cleaners-polishes/