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.
f)
Do not clean the unit with acidic substances, medical products, diluent, fuel,
oil or other chemicals as this may cause damage to the unit.
