: The team gathers quartz sand and mixes it with calcium carbonate and lead to create clear glass.

: Realizing they need a master's touch, Chrome recruits (or rather, "kidnaps") Kaseki , the village’s elderly master craftsman. Initially skeptical, Kaseki is quickly seduced by the thrill of working with a revolutionary new material like glass. A Field of Gold

: Adding a master artisan to the team significantly upgrades the Kingdom of Science’s manufacturing capabilities.