From menu on the left select e.g . "Steel and materials based he Fe" and from next menu
choose e.g . "Case Hardening Steel" and then yet select information source.
On the left you see offer for microstructures and choose e.g, "Electron micrographs" and onward
label of material, e.g . "En 32A" and onward the condition of material, e.g .
"920 °C 10 min/10% iced brine solution". On the right show, in this case, two pictures of microstructure and choose one of them, e.g . picture with number 2.
After activation this picture will show correspondent microstructure with description.
Microstructure can be enlarge. Manner of increase the picture you learn by activate buttons with question mark.