Ts'ebetso ea welding ea H-economizer flash resistance e sebelisitsoeng, seam welding ka mor'a sekhahla se phahameng sa fusion, matla a matla a weld, 'me e na le conductivity e ntle ea mocheso.H-economizer e ka boela ea etsa li-tubes tsa "double H" tsa mofuta oa "double H", sebopeho sa eona se thata, 'me e ka sebelisoa ketsahalong e telele ea mela e telele.