( );
MMA Manual Metal Arc (Welding) ;
SMAW Shielded Metal Arc Welding ;
E .
(. ) ( ).
7.2
() , , . , . ( ), ( ).
, , , , .
, , , .. : 6 , 815 , 1030 .
. , . , .
, , , .
, . .
( ) .
. 7.3
SAW Submerged Arc Welding
, .
, 7.3,. . , , . , . . . .
( ) - () .