Thus, using the quality instruments Pareto, Ishikawa, and QRQC charts (Tague, 2004) made it possible to
identify the best solution to decrease the financial and human effort in the treatment of waters and
contaminated substances. The solution is based on the following idea: the technological process is conceived
in such a manner that at the beginning of chemical treatments, products are washed in an industrial water jet
that will remove deposits, impurities, foreign bodies and will protect the next bath from becoming loaded with
the aforementioned elements, in our case the degreaser bath.