a petrol cracking plant in Signal Hill, Balikpapan, during the 1940s. The artwork features an aerial view showcasing the industrial architecture and complex structures involved in the refining process. The use of industrial colors like grays, silvers, and blues conveys a sense of technology and progress, while lighting and shadows enhance the textures and details, creating depth and contrast in the artwork. The dynamic atmosphere of a functioning petrol cracking plant is captured with elements like steam, lights, and movement, portraying energy and activity. Emphasis is placed on the technological aspects of the plant, including machinery, control panels, and processing units, highlighting the industrial nature of the setting.