seen from China
seen from China

seen from United States
seen from China
seen from United States
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seen from Sweden
seen from Malaysia
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seen from China
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seen from Germany

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struktur bangunan tersebut yang bertujuan untuk mengetahui kualitas dari bangunan, pengujian tersebut menggunakan sebuah alat hammer test....
pengujian hammer test, diperlukannya pengamatan awal yang bertujuan untuk memastikan kerusakan awal pada permukaan dan dampak dari kerusakan....