tag gambar: pengelasan perisai, kuantitas gambar: 4
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busur, logam, penetrasi, perisai, mengelas, pengelasan, industri -
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gas, mengelas, tukang las, gas inert, autogen, MiG, pengelasan gas inert -
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gas, mengelas, tukang las, gas inert, autogen, MiG, pengelasan gas inert -
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gas, mengelas, tukang las, gas inert, autogen, MiG, pengelasan gas inert