But Rosi Edwards, HSE's regional director for Wales, urged employers to make the safety of workers their top priority of 2013.

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Di Venanzo, in films like Francesco Rosi's "Salvatore Giuliano" and Michelangelo Antonioni's "La notte, " was revolutionizing the practice of cinematography, opting for natural light and shadows that the traditional studio film had found anathema.

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Dr Rosi Armstrong, from the Institute of Electronics, Communications and Information Technology in Belfast, said that many cookies are very functional and useful but some can also build up a profile on people over time.

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