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materjal, räbusti või gaas, mis on kontaktis liite servade ettevalmistuse vastaspoolega sulametalli väljavalgumise takistamiseks, a material or device placed against the back side of the joint, or at both sides of a weld to support and retain molten weld metal
weld pool backing . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/weld%20pool%20backing/1/eng (19.06.2026)