specify what medium was used to create each work of art AND which type of two-dimensional art would that medium be categorized in?

From your research, specify what medium was used to create each work of art AND which type of two-dimensional art would that medium be categorized in?(example: charcoal could be the medium and drawing would be the 2D type of art).(+250words)Andy Warhol Self-Portrait 1966Chinese culture Avolokitesvara worshipping Bodhisattvas and Mendicant 5th-14th CenturiesOrson Welles Citizen Kane 1941Jules Cheret La Loie Fuller at the Folie-Bergére 1897Harold Edgerton Milk Drop Coronet 1957Giovanni Battista Tiepolo Bacchus and Ariadne 1740