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EN
5. Cleaning / maintenance
Chemical solvents may damage the DuoFern device.
• Only use a soft, slightly damp cloth to clean the surface.
This labelling indicates that this product must not be disposed of along with other
household waste throughout the EU. To avoid potential damage to the environment
or human health through uncontrolled waste disposal, recycle it responsibly to pro-
mote the sustainable reuse of material resources. To return your old device, please
use the return and collection systems or contact the retailer where the product was
purchased. They can recycle the product in an environmentally friendly manner.
Risk of fire and explosion.
• There is a risk of fire or explosion if the battery is replaced with an incorrect type.
In addition, replacing a battery with an incorrect type can override a safety device.
• Throwing a battery into a fire or hot oven or mechanically crushing or cutting a bat-
tery can lead to an explosion.
• If the battery is placed in an environment with extremely high temperatures, this can
lead to an explosion or a spill of flammable liquid or flammable gas.
• A battery exposed to extremely low air pressure can cause an explosion or the re-
lease of flammable liquids or gases.
EN
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