Английский для сварщиков. Гричин С.В. - 164 стр.

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164
The voltage between the terminals of the welding source when no
current is flowing in the welding circuit.
OVERHEAD POSITION:
The position in which welding is performed from the underside of a
joint and the face of the weld is approximately horizontal.
OVERLAP:
The protrusion of weld metal beyond the bond at the toe of the weld.
OXIDIZING FLAME:
An oxyacetylene flame in which there is an excess of oxygen. The
unburned excess tends to oxidize the weld metal.
OXYACETYLENE CUTTING:
An oxygen cutting process in which the necessary cutting temperature
is maintained by flames obtained from the combustion of acetylene
with oxygen.
OXYACETYLENE WELDING:
A welding process in which the required temperature is attained by
flames obtained from the combustion of acetylene with oxygen.
OXY-ARC CUTTING:
An oxygen cutting process in which the necessary cutting temperature
is maintained by means of an arc between an electrode and the base
metal.
OXY-CITY GAS CUTTING:
An oxygen cutting process in which the necessary cutting temperature
is maintained by flames obtained from the combustion of city gas with
oxygen.
OXYGEN CUTTING:
A process of cutting ferrous metals by means of the chemical action of
oxygen on elements in the base metal at elevated temperatures.
OXYGEN GOUGING:
An application of oxygen cutting in which a chamfer or groove is
formed.
OXY-HYDROGEN CUTTING:
An oxygen cutting process in which the necessary cutting temperature
is maintained by flames obtained from the combustion of city gas with
oxygen.
OXY-HYDROGEN WELDING:
A gas welding process in which the required welding temperature is
attained by flames obtained from the combustion of hydrogen with
oxygen.
OXY-NATURAL GAS CUTTING:

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