36 + 1 3 Ž Erecting scaffolding. A head for heights is required especially when one is 30 or 40 storeys above the ground (photograph courtesy of the Hong Kong Construction Industry Training Authority).
36
+
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Erecting scaffolding. A head for heights is required especially when one is 30 or 40 storeys above the ground (photograph courtesy of the Hong Kong
Construction Industry Training Authority).
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