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This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.
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.
