Can we use Air pit for the suction of the work piece to which water or oil adhered?

When it is not inhalation of a lot of water and oil, it can be used by AP-DLS of “Dust and liquid stocker”

Since it will become a cause of failure if water and oil enter to a vacuum pump or the source of suction, it is effective, if it stores with dust and liquid stocker and throws away moderately.

More details can be found here.
AP-DLS Dust and liquid stockert