Every human activity, endeavor, or career path involves the mastering of skills.

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Lavender says he could become an options broker if he wanted to, but that would require learning a new set of skills and strategies akin to mastering electronic trades.

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This requires mastering not only safe takeoffs and landings, among thousands of other skills and procedures, but also integrating their carriers into the cocoon of destroyers and submarines needed to protect it.

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Robin Kyte believes mastering the use of 3D printing and computer aided design, is just the latest addition to the skills jewellers should learn, and it won't, in his view, replace traditional craftsmanship.

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