Small novices has to be careful to follow step by step in poinding the ember before make gunpowder by mixing with the dung of bat. (This photo scanned from Lok Say Lee magazine Limited level in B.E 2500 (C.E 1957) of Sathou Nyai Khamfanh Silasangvaro collection magazine at Vat Khili ).
Original material consists of: colour halftone print.
