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The ISO 21482 symbol isn't precisely an update to the trefoil. It's got a more restricted use case -- it's only intended for use inside devices which contain la
by duskwuff 6y ago
The ISO 21482 symbol isn't precisely an update to the trefoil. It's got a more restricted use case -- it's only intended for use inside devices which contain large radioactive sources, as a warning to technicians (or scrap-metal dealers!) to not go any further. It's not meant to be used anywhere that would be visible during normal operation.