Safety
2.4 Maintenance and repair work
Maintenance and repair work must be done by qualified and authorized
specialists only. They are considered authorized specialists because of their
vocational training, instruction or experience to do the required intervention,
detect and prevent potential risks from occurring in pursuing their activity. They
must be able to provide evidence about their knowledge of the relevant safety
standards, safety regulations and the health and safety regulations of the
German trade associations (BGV) and they must have read the instructions for
use and installation .
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