Major types of positive-displacement pumps include: 1  Roots. 2  Lysholm twin-screw. 3  Sliding vane. 4  Scroll-type supercharger, also known as the G-Lader.
I believe that the first Reich refers to the establishment of the Holy Roman Empire in the 9th century was Charles the Great. The Second Reich was the unification of Germany under the Prussian Kaiser Wilhelm II in 1870. Of course, we all know what the Third Reich was. The First Reich was the Holy Roman Empire. There is little agreement as to when it was founded. Most German historians date the foundation from the coronation of Otto I in 962. That 'empire' had a continuous existence till 1806. The Second Reich was created by Bismarck in 1871 and lasted till 1918.
From now on Germany was to be Hitler, and Hitler was to be Germany. Hitler's second goal was the rearmament of Germany. He did this through a massive arms build-up (in direct defiance of the Treaty of Versailles) and public works projects (such as highways for moving armies from front to front).ntroduction. The most ominous development after World War I and one of the primary causes of World War II was the rise of Adolph Hitler in Germany. The Treaty of Versailles helped lead to this in five ways.