METAL SURFACE UNDER A MICROSCOPE WITHOUT METABOND, 675 TIMES LARGER: |
METAL SURFACE UNDER A MICROSCOPE, TREATED WITH METABOND, 675 TIMES LARGER: |
METAL SURFACE UNDER A MICROSCOPE WITHOUT METABOND, 675 TIMES LARGER: |
METAL SURFACE UNDER A MICROSCOPE, TREATED WITH METABOND, 675 TIMES LARGER: |