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IC acronym.Inspiratory Capacity concept.IC (Inspiratory Capacity) is the maximum air volume inhaled after normal expiration.
smart grid concept with engineer is checking the load balance of electricity usage in each area with a laptop computer to match the production capacity of the power plant
VC acronym.Vital capacity concept.VC (Vital Capacity) measures the maximum volume of air exhaled after full inhalation.
Men and women taking deep breaths

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