When using the dip should be renewable solvents through filter in order to prevent the contamination from previous falls to the next piece of work through a solution.
When using dip The solution should be circulated through the filter. To prevent contamination of the specimen before falling to pieces over the next solution.
Use case, dip, there should be a circulation solution through the filter. To prevent contaminants from the previous fall to the next workpiece workpiece through the solution.