Schwerpunkt: Ausgeschnittene Flächen - Fachwerke und statisches Gleichgewicht 14

Whole-channel inclusion: Maschinenbau - simpleclub is an honest teaching channel (title sample + 3 transcripts read: No transcripts were available for any sample, so the channel verdict relies on the title-sample verdict of consistent, focused mechanical engineering tutorials.); this title passed a strict title check (sonnet) after a labelling pass.