Прямая или обратная полярность при сварке тонких металлов..
объясните сварки тонких металлов при прямом и обратной полярности
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![Репарации 16:02 МСК🎥 Прямой ЭФИР АРиЯ-USSR [] 21:21:21МСК](https://sun9-6.userapi.com/k21xdTDPTQSO8r58HaS7QCOgRZT81K4JDI_6Dw/Pj04Gi0l634.jpg)
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