What do the ul marks on so many products mean?
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.
You May Also Like
Sternengeschichten
Florian Freistetter
Somewhere in the Skies
SpectreVision Radio
The Grave Talks | Haunted, Paranormal & Supernatural
Ghost Stores, Haunted, Paranormal & Supernatural Stories
Dumma Människor
Acast - Lina Thomsgård och Björn Hedensjö
Peter und der Wald – ein GEO-Podcast
Peter Wohlleben / Wohllebens Waldakademie
Soilcast
Soilcast-Team
Blurry Creatures
Blurry Creatures
Vedanta Cast
Jonas Masetti
Eye On The Sky
Vermont Public
The Dissenter
Ricardo Lopes
Sternengeschichten
Florian Freistetter
Somewhere in the Skies
SpectreVision Radio
The Grave Talks | Haunted, Paranormal & Supernatural
Ghost Stores, Haunted, Paranormal & Supernatural Stories
Dumma Människor
Acast - Lina Thomsgård och Björn Hedensjö
Peter und der Wald – ein GEO-Podcast
Peter Wohlleben / Wohllebens Waldakademie
Soilcast
Soilcast-Team
Blurry Creatures
Blurry Creatures
Vedanta Cast
Jonas Masetti
Eye On The Sky
Vermont Public
The Dissenter
Ricardo Lopes
Community discussion