1. slice the material in all three types, the smaller the wash to dry for 24 hours, and then bake at 60° c for a period of 24 hours, bringing the shedding microscopic structure.
1. Cut three types of material with a small wash. Dried for 24 hours and then baked at a temperature of 60 ° C for 24 hours, the two structures under a microscope.
1. Cut into three types of material to a small clean, dry for 24 hours. Then the อบท at 60 C for a period of 24 hours. The two structures with the microscope.