What is noticeable, at least for me, is a different approach to naming things. E.g. in German technical things are usually named by what they are or do (descriptive), while in English many things are just named "randomly" after e.g. people or who/where it was first used. Consider: Elastitizätsmodul vs. Young's modulus; Steilkegel vs NMTB taper; Tellerfeder vs Belleville washer; ...