Say you're in a showroom, holding two samples for your new kitchen. One's natural marble. The other looks almost the same, but it's one of the engineered stone benchtops stacked behind the counter. Same look, very different story. The manufactured slab gives you an even pattern from end to end, and it also sits at the centre of some of the toughest workplace-safety rules the building trade has seen in years. Because those rules differ by country, a slab you can order freely i