Cross-section view is not normal to its cutting planes
How to create this simple cross-section view correctly? (Note: the presented section view is wrong, it should be normal to its cutting planes). I know there is a procedure to make it somewhere buried in document. However, how to find this HELP is also not a simple task.
Is any kind of this problem need one day to solve?

In SolidWorks, pertinent Helps are available at one click, not like in CREO, in which I have to be well educated before I can type in the correct keywords to find a Help.

