Yenziwe ngebanga lokudla, i-TPR (i-BPA yamahhala), engenabo ubuthi, ayinalo iphunga lamakhemikhali, ihlinzeka ngamathoyizi ezilwane ezifuywayo aphephe kakhulu kumdlwane wakho.Akulula ukwephulwa ukuze udale ingozi yokuminyanisa njengoba izikhonkwane ebholeni zinesivalela.Inzuzo eyengeziwe ukusiza ukugcina izinsini namazinyo kuhlanzekile.