Her saga makes me wonder what Sheryl Sandberg would say about the choices she made: Kay Keaney was a 40-year-old interior designer at a California medical company where she had a big portfolio of responsibilities that included planning building interiors and managing construction.

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It enables the construction to function as a self-managing ecosystem with less need for external energy.

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Maureen McMullan, Managing Director of Roll Formed, said the construction industry was under pressure for faster building combined with a shortage of skilled tradesmen.

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Speaking to the BBC, managing director of CEF John Armstrong described this "unique" feature of the construction sector.

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"There is no better time to be in the Philippines than now, " says Robbie Antonio, managing director of Century Properties, a Manila real estate firm whose array of luxury construction projects includes Trump Tower, Makati City.

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