Ventilation hole was only provided to the ceiling and the upper side of the wall. Since evaporated solvent is heavier than the air, flammable vapor would accumulate in the lower side of the storehouse.
To ventilate from lower position, it is recommended to relocate the ventilator or extend the intake opening to the ground level.
To ventilate from lower position, it is recommended to relocate the ventilator or extend the intake opening to the ground level.