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7.1 Follow all safety precautions and legal requirements before
welding a workpiece that contains asbestos or attempting to
remove the asbestos covering. This requires expert knowledge
and equipment.
7.2 Molten slag can run down the inside and outside of a pipe and
start a fire. Be aware where the pipe terminates and take
precautions.
8.
Do not weld a panel that is a sandwich construction of combustible
and metal materials.
9.
Have a fire extinguisher available for immediate use. A dry chemical
fire extinguisher for Types A, B and C is suggested.
9.1 Welding a combustible metal like zinc, magnesium or titanium
requires a Type D fire extinguisher.
9.2 Do not use liquid based fire extinguishing methods near the
electric arc plasma cutting machine, as it may cause a
shock hazard.
10. Ventilation systems should be positioned so sparks or molten slag
isn't carried to an adjacent area.
11. Have a Fire Watcher observing areas outside of the welder's view,
such as the opposite side of a wall or behind the welder. A fire may
also start on the other side of a structure that could not be
removed. The Fire Watcher will extinguish a fire or raise the alarm
to evacuate if the fire cannot be contained by the extinguishing
equipment.
11.1 A fire watch extends at least 30 minutes after the welding is
complete to ensure there are no fires caused by smoldering
sparks or ejected material.
FUMES AND GASES
WARNING! Stop welding and move to a location with ventilation if
your eyes, nose or throat become irritated. This indicates the
ventilation is not adequate to remove the fumes. Do not resume
welding or cutting until the ventilation is improved and the
discomfort ceases. Seek medical attention if the symptoms do not
diminish or if the welder experiences nausea, dizziness or malaise.
Welding or cutting may produce hazardous fumes and gas during the
welding process. A well ventilated work area can normally remove the
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80A PROCUT 80 Plasma Cutter
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