Le mitha yokugeleza koketshezi enezinjongo eziningi isebenzisa indlela yomoya ukuze inikeze izilinganiso zokugeleza ezinembile zamanzi, amakhemikhali, uwoyela, nolunye uketshezi oluhlukahlukene. Yenziwe ngepulasitiki eqinile ye-Pa66 egcwele ingilazi, ethengekayo futhi imelana namakhemikhali.
