दैयाव-सोनारनाय सानखरां पैनलनि साखोन-सिखोन खालामनाय फारिखान्थिया मावफुंनाय एबा सामलायनायनि खरसनि 10% नि बांसिन जायो।
"The water-based solar panel cleaning process accounts for over 10% of operation and maintenance costs.