Japan's Top Inventions (2018)

Japan's Top Inventions (2018) : 5x13

Lithium Ion Batteries / Dust Collectors for Tunnel Construction Min.
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Overview

The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind lithium-ion batteries, a key part of smartphones, laptops and electric vehicles. In the second half: dust collectors for tunnel construction, which help keep workers safe at worksites around the world.