Replace a mechanical means with a sensory (optical - acoustic - taste or smell) means. Use electric - magnetic and electromagnetic fields to interact with the object. Change from static to movable fields - from unstructured fields to those having str

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1. Replace a mechanical means with a sensory (optical - acoustic - taste or smell) means. Use electric - magnetic and electromagnetic fields to interact with the object. Change from static to movable fields - from unstructured fields to those having str