Building
B03 (Restoration and conservation) B04 (Building construction works) B07 (Interior decoration) B08 (Waterproofing material installation) B11 (Installation of signage on buildings) B13 (Tile installation and plastering works) B14 (Paint work) B15 (Roof installation and metal cladding) B18 (Metal works) B24 (Building maintenance work) B26 (Demolition works) B28 (Modification works) |
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Civil Engineering
CE01 (Road and pavement construction) CE08 (Slope protection system) CE13 (Signage installation) CE21 (Construction of civil engineering) CE32 (Civil engineering maintenance works) CE34 (Precast concrete installation work) CE36 (Earthworks) CE40 (Excavation) CE42 (Road painting works) CE43 (Road furniture) |
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Mechanical & Electrical Engineering
M01 (Air conditioning and air distribution system) M02 (Fire prevention and protection system) M15 (Miscellaneous mechanical equipment) M20 (General mechanical maintenance) |
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