Cuando la piedra sangra plata: historias para entender los materiales

Round-16 hunt: picked; source: course-code search at newly covered universities (r16 wave 7); channel screens (sellers/exam/re-upload/devotional/vendor/events), provenance check, vendor/seller/devotional recheck and quality tier A passed; strict per-title check + final strict pass; oEmbed verified.

A 54-minute video from SOCIEMAT: “Cuando la piedra sangra plata: historias para entender los materiales”.

Video by SOCIEMAT, played through YouTube's embedded player.