A bonus of this sort of biomass is they are typically low-Expense, involve negligible maintenance, and so are cultivated for biofuel production. → نَقِيٌّ čistý ren rein αγνός puro puhdas pur čist puro 純粋な 순수한 puur ren czysty puro чистый ren บริสุทธิ์ saf tinh khiết 纯的Should you’re ready