[[Image:GlueTest_glass.jpg|thumb|300px|Figure 3. A square glass sample 12 mm on the side glued to the 20 μmm wires for practice. ]] | [[Image:GlueTest_glass.jpg|thumb|300px|Figure 3. A square glass sample 12 mm on the side glued to the 20 μmm wires for practice. ]] |