匠の息吹を伝える～"絶対"なき技術の伝承～　（３８）常に難物に挑戦－鋳造技術－

Picked one by one from a mixed channel; title passed two strict editor passes and the clickbait rules.

A 29-minute video from SCIENCE CHANNEL（JST）: “匠の息吹を伝える～"絶対"なき技術の伝承～　（３８）常に難物に挑戦－鋳造技術－”.

Video by SCIENCE CHANNEL（JST）, played through YouTube's embedded player.