a)
Use only non-corrosive cleaning agents for cleaning the surfaces.
b)
Store the unit in a dry and cool place protected from moisture and direct
sunlight.
c)
Perform regular inspections of the unit checking technical fitness and any
damages.
d)
Use a soft cloth for cleaning.
e)
Do not use sharp and/or metal objects (e.g. a wire brush or metal spatula) for
cleaning, as these may damage the surface of the material from which the
unit is made.