Podcasts > Kategorie: Wissen und Wissenschaft > Kanal: BrainStuff

What do the ul marks on so many products mean?

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 8. Juli 2015, 21:37
Stufe: B1-B2 (Mittelstufe)

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UL stands for 'underwriters laboratories,' a safety testing organization -- but what exactly does this group do, and why do they do it? Tune in and learn more about the UL mark in this podcast from HowStuffWorks. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers