Install the equipment of the cooling pad ventilation in a workshop end to decrease temperature, then install the negative pressured ventilator in another end. The utilization of the ventilator to extract the workshop hot air going

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According to the air convection principle, the natural convection and negative pressured air exchange are use to discharge the workshop internal heat air and the bad smell completely ; by installing in the location where has the fresh

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Using the relayed forced ventilation principle, the hot and dirty air was expelled to outdoor. Fixed positioned fans or moved positioned fans are available.

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