Ogulitsa makina aku Swiss a Sedo Engineering amagwiritsa ntchito magetsi m'malo mwa mankhwala kupanga utoto wocheperako wa indigo wa denim.

Njira ya Sedo ya electrochemical yachindunji imachepetsa mtundu wa indigo kuti ukhale wosungunuka popanda kufunikira kwa mankhwala owopsa monga sodium hydrosulphite ndipo akuti amapulumutsa zachilengedwe panthawiyi.

Manejala wamkulu wa Sedo adati "Takhala ndi maoda angapo atsopano kuchokera ku mphero za denim ku Pakistan, kuphatikiza Kassim ndi Soorty, pomwe ena awiri atsatira - tikukulitsanso luso lathu lopanga makina ambiri kuti azigwira ntchito"