"It's like baking a layer cake, but doing it one layer at a time, " said Atala.

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The center console looks like a layer cake, with a large screen sitting atop several rows of buttons and knobs.

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We have to get rid of districts that look like snakes and spiders and have them look more like a layer cake.

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In a lot of wells I saw that the zone was taking drilling mud, soaking it up and leaving a layer of mud cake across a permeable interval of the wellbore.

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It is a cracked and crumpled layer-cake of rocks, 480 million years in the making, a landscape sculpted by ice then transformed by man and a witness to the birth of the Industrial Revolution.

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Herman Cain wants to bake up a new three-layer tax cake to replace the current federal tax stew.

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The mountain is a giant, putrid layer-cake, with dozens of strata of rubbish separated by soil and plastic liners designed to contain the brew of noxious chemicals that would otherwise leach into groundwater.

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Since the early 1990s the industry has resembled a cake made of horizontal layers of technology, with each layer dominated by a few companies.

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And much to my delight, I discovered that I was able to see the city's past as well as its present: the London of my imagination superimposed upon the reality, a transparent city in which the old was encased in the new like an ancient layer cake wrapped in glistening sandwich-wrap.

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