Smart glasses , clothing , sensors and other wearable tech can both improve safety and boost efficiency . With Microsoft HoloLens , the wearer can pin their digital content – such as apps , information , and multidimensional videos – in the physical space around them , enabling interaction via holograms blended into the real world . A head-worn augmented reality computer offers an alternative to working from paper blueprints or digital screen-based models . Other innovations include intelligent caps that detect worker fatigue and miniature gyroscopes which sense trips , falls and accidents .

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