Subject categories
Agriculture, Business, Commerce & Industry → Machine design
Agriculture, Business, Commerce & Industry → Metal-work
Agriculture, Business, Commerce & Industry → Tools
Agriculture, Business, Commerce & Industry → Turning
Crafts & Visual Arts → Metal-work
Crafts & Visual Arts → Tools
Crafts & Visual Arts → Turning
Documentary
Documentary → Documentary films - Japan
Educational & Instructional
Educational & Instructional → Instructional
Hobbies, Recreation & Sport → Tools
Hobbies, Recreation & Sport → Turning
Mathematics, Science & Technology → Machine design
Mathematics, Science & Technology → Machine-tools
Short films
Short films → Short films - Japan