It may be as true for Marissa Mayer and Yahoo as it was for John Keats, Francis Bacon and the sonnet form: We make structural decisions not on the basis of overcoming or eliminating constraints, but on the careful, conscious choice of constraints.

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Insulated Concrete Form (ICF) and Structural Insulated Panel (SIP) manufacturer PFB Corporation (TSX:PFB, OTC:PFBOF) did not provide an updated outlook in the first quarter, but has seen continuous sales growth over the last several years, despite the downturn, and is expanding manufacturing in the US and has seen favorable pricing trends beginning to emerge.

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They tapered the form as it rose, to express lighter structural loads and to minimize the profile.

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The Institution of Mechanical Engineers (IMechE) said jobs created by fracking, a form of gas extraction, included chemical, mechanical, civil and structural engineers, operations staff and geologists.

BBC: Fracking could create 'thousands' of engineering jobs

They still face big structural obstacles: it remains unclear, for example, whether the young will pay for news in any form.

ECONOMIST: Newspapers

The structural steel rolls in from a loading bay, and machines fabricate it into parts that are welded together to form the frame.

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The structural members of the building, cool and subdued against the warm pinks and dull gold of the walls, form a warped grid that at once suggests space and reasserts the flat expanse of the canvas.

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