Siemens 
D12-52 Operating And Installation Instruction page 18

18
Only dry laundry that is labelled with the following
care symbols:
E = tumble dry at normal heat setting (intensive dry)
D = tumble dry at low heating setting (gentle dry)
i The following textiles should not be tumble dried:
- Laundry marked with the care symbol F = do not
tumble dry
- Wollens or items containing wool.
- Risk of shrinking!
- Delicate fabric (silk, synthetic net curtains).
- Risk of creasing!
- Items containing foam rubber or similar material.
- Items which have been treated with inflammable
solvents, such as stain removes, petrol, paint
thinners. Explosion hazard!
- Items still containing hair lacquer or similar
substances. Dangerous vapors!
- Dripping wet laundry. Waste of energy!