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Lasers
You need to take steps to restrict direct and reflected access to hazardous laser beams e.g. via shiny / reflective surfaces.
The use of hazardous lasers with high radiant powers (typically from 200mW to 40W+ i.e. class 3B &4 lasers) requires action to control the risk of a significant eye injury. High power lasers with radiant powers that exceed around 500mW may also burn skin on contact and can be a fire risk.
Lasers | International Advice
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Article last updated on Sep 18th, 2024