Along with electrical energy and fuels, biomass can be converted into substances for making plastics and various products that generally are made from petroleum.suiwerheid نَقاء، نَقاوَه، صَفاء، خُلوص، طَهارَه чистота pureza čistota die Reinheit renhed αγνότητα, καθαρότηταpureza ehedus خل