Denver BTS-110 Manuel D'instructions page 7

Please notice - All products are subject to change without any notice. We take
reservations for errors and omissions in the manual.
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Electric and electronic equipment and included batteries contains materials,
components and substances that can be hazardous to your health and the
environment, if the waste material (discarded electric and electronic equipment
and batteries) is not handled correctly.
Electric and electronic equipment and batteries is marked with the crossed out
trash can symbol, seen above. This symbol signifies that electric and electronic
equipment and batteries should not be disposed of with other household waste,
but should be disposed of separately.
As the end user it is important that you submit your used batteries to the
appropriate and designated facility. In this manner you make sure that the
batteries are recycled in accordance with legislature and will not harm the
environment.
All cities have established collection points, where electric and electronic
equipment and batteries can either be submitted free of charge at recycling
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