[markplindsay]

I don't know what item #2 means (armature prefabrication?) but Singapore is an ideal Asian city. Especially #6—Singapore is so proud of their public housing that they included an image of an HDB building on their $10 bill.

[baybal2]

When the armature for the building is being prefabricated with a milimetre level precision by a CNC metalworking machine, and than assembled on site like lego. This is to minimize the amount of on-site metalwork

[brett40324]

Note: a mm or .040 quality tolerance for large pieces of a building is not good enough.