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– 7
WARNING
Certain materials may produce
explosive vapours or mixtures
when agitated by the suction air!
Never vacuum up the following
materials:
–
Explosive or combustible
gases, liquids and dust parti-
cles (reactive dust particles)
–
Reactive metal dust particles
(such as aluminium, magne-
sium, zinc) in combination
with highly alkaline or acidic
detergents
–
Undiluted, strong acids and
alkalies
–
Organic solvents (such as
petrol, paint thinners, ace-
tone, heating oil).
In addition, these substances
may cause the appliance materi-
als to corrode.
DANGER
Immediate danger that can
cause severe injury or even
death.
몇
WARNING
Possible hazardous situation
that could lead to severe injury
or even death.
CAUTION
Possible hazardous situation
that could lead to mild injury to
persons or damage to property.
Symbols in the operating
instructions
7
EN
Summary of Contents for WD 4 Premium
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