Challenge for Ammonia Liquid Sprays

Round-16 hunt: picked; source: course-code search in local formats (r16 wave 3); 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 25-minute video from IFCPAR/ CEFIPRA: “Challenge for Ammonia Liquid Sprays”.

Video by IFCPAR/ CEFIPRA, played through YouTube's embedded player.