Beko RDNE420K20X User Manual page 86

Maintenance and cleaning
6
service life of this coating lasts for a long
time.
These glasses are tempered to increase
their durability against impacts and
breaking.A safety film is also applied to
their rear surfaces as an extra safety
measure in order to prevent them from
causing damage to their surrounding in
case of a breakage.
*Alkali is a base that forms hydroxide
ions (OH¯) when it is dissolved in water.
Li (Lithium), Na (Sodium), K (Potassium)
Rb (Rubidium), Cs (Cesium) and artificial
and radioactive Fr (Fan-sium) metals are
called ALKALI METALS.
38 /40EN
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