Samsung TS-H542A-WRCH - Manual (Page 5)

Never allow food particles or foreign substances to enter the drive
casing.
To protect against the risk of fire, do not spill such liquids as
alcohol and benzene on the drive.
Do not disassemble, attempt to repair or modify the device
without express approval as directed in the manual.
- To reduce the risk of damage, electric shock, and fire.
Others
Veiligheidsinstructies Safety Precautions