Conventional 50 years. Coming 50 years.
"Great prospects exhibition" is great adventure over manufacturing of Japan and industrial technological change. Story of "materials" which it is made with technique and thing of "car" to open in front, and are indispensable. Or "communication" to be connected to everyday "meal" and every field techniques form a line.
Curiosity and field of learning foreseeing for conventional 50 years and coming 50 years from new thing to old thing open.