Ⅱ-10.scaff olding pipa (bagian bawah) ……¡-10.scaff olding pipa (bagian bawah)...

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Ⅱ-10.Scaff olding Pipa (Bagian Bawah) Ⅱ-11.Pekerjaan Merakit/Membongkar Scaff olding

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Ⅱ-12.Pekerjaan Merakit/Membongkar Scaff olding Pipa Ⅱ-13.Pekerjaan Cara Mendirikan Tulangan Beton

Adakah barikade, tali, atau papan petunjuk Dilarang Masuk?

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