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INTRODUCTION
Working in safety
Dangerous substances and preparations
Take the following precautions when using dangerous
chemical products (fire, explosion, irritation, caustic
burning, scalding, intoxication:
- only keep receptacles containing dangerous pro-
ducts open for the time strictly required for their
use;
- do not use or transfer dangerous products into con-
tainers that are not designed for this use, or into
those without indications as to their contents or
without the relative markings;
- comply with the indications on the relative labels
when using chemical products.
Defence against gas, fumes, dust, harmful
vapours
- make sure that the exhausting systems are opera-
ting;
- wear protective clothing and equipment;
- install temporary exhausts as near as possible to
the sources, if necessary;
- do not work in the direction of the flow of polluting
substances blown out by exhaust systems.
Agents of a biological nature
- in the event of fermentation (development of algae),
avoid direct contact and act with appropriate protec-
tive means. Only enter places where anaerobic fer-
mentation may have taken place and produced fu-
mes (e.g. ammoniacal) after having worn a protecti-
ve mask.
GUIDE TO CHOOSING THE RIGHT EXTINGUISHER
YES YES YES YES NO
NO YES YES YES NO
NO YES YES NONO
NONONONO YES
NO YES YES NONO
Ordinary solid
fuels
Inflammable liquids
Inflammable gases
Combustible metals
Electrical equipment
Unless suitable
equipment is used
WATER
POWDER CO
2
FOAM
SPECIAL
POWDERS
TYPE OF FIRE
A
B
C
D
E
Only for small fires.
Does not extinguish
the embers
May react with
water
EXTINGUISHING AGENT
Fig. 8-1
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