The purpose is to: 1. a comparative study of the quality of color posters from various Khun 2 qualify. To learn the proper ratio of Khun Ngaman in color posters.
Objective 1 was to compare the quality of the color posters made from flour types. 2 to determine the appropriate ratio of students. Send it to do the poster.
Objective 1. To compare the quality of the poster paint made from starch, various types of 2. To determine the optimum ratio of starch. Put them in the poster paints.