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Study says that 3D printers can emit hazardous micro or nano particles which can embed themselves in your lungs permanently.
Ventilation is the key.
https://amp.fastcompany.com/90269252/3d-printed-particles-can-embed-themselves-in-your-lungs-forever
@semordnilap
You did? Not a lot of people thought about this when it comes to 3D printers.
@aniket An even time-wise closer example would be asbestos.
@aniket I always wondered about that. Microplastics are everywhere anyways. In the far future we will be seen as we now see the ancient Romans who used lead in everything, even edibles.