[Posgrado][Topología general] 20. Superficies, cilindro, cono y suspensión (2021-10-11)

Round-12 hunt: picked; channel-level screens (sellers/exam/re-upload/devotional/vendor/events), provenance check, vendor/seller/devotional recheck and quality ranking (tier B) passed; strict per-title check + final strict pass; oEmbed verified.

A 91-minute video from Rodrigo Hernandez-Gutierrez: “[Posgrado][Topología general] 20. Superficies, cilindro, cono y suspensión (2021-10-11)”.

Video by Rodrigo Hernandez-Gutierrez, played through YouTube's embedded player.