People reuse it for a slab for their home.

Before these decisions were taken, China had already eliminated a 13 per cent rebate on slab and billet exports in early 2005.

Apart from energy efficiency or fuel switch projects, most of the GHG abatement projects in the cement sector involve replacement of a portion of the clinker with mineral by products or residues, which results in a substantial reduction of emissions.

So we've made a kind of pragmatic slab in the second phase here, and we've taken the conference facilities and made a villa out of them so that the communal space is very sculptural and separate.

The failure points were the same walls and slabs not tied properly into columns that's a roof slab hanging off the building cantilevered structures, or structures that were asymmetric, that shook violently and came down, poor building materials, not enough concrete, not enough compression in the blocks, rebar that was smooth, rebar that was exposed to the weather and had rusted away.