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Grid Internal Systems specialises in providing high quality fit outs and refurbishments for commercial interior spaces, both locally and throughout Southern Africa. Since its inception in March of 1998, Grid has earned itself a reputation for superior workmanship and delivery on time with a firm commitment to excellence and professionalism at all times. 15 Perfecta Road, Paarden Eiland.

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In order to understand the design of communication, we look under the roof of its behavioral layer and examine the underlying auditory systems, vocal apparatuses and neural control. Most of our projects involve voice, hearing or communication strategies. We use crickets and frogs as research subjects in experiments that involve manipulation of acoustics, physiology, morphology or environmental variables. Laryngeal structure and vocal control in túngara frogs.