Include the image in the report and identify all the features observed.

1. Watch the demonstration of specimen preparation and microscope operation procedures carefully.
2. Obtain a sample from the instructor and prepare the sample for microscopic examination following the procedure of mounting, grinding, polishing, etching, observation under a microscope, and photographing.
3. Take an image of the sample as observed under the microscope. Record important information such as sample material, processing history, and photo magnification of the sample.
4. Include the image in the report and identify all the features observed.
5. Determine the ASTM grain size using the photograph as well as grain size using intercept method. Show the measurement and calculation in the report.