<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?taa za led, kulingana na mfumo wa taa inabadilishwa, zinaweza kuokoa hadi 30 hadi 90 ya nishati.  <response>: led lighting, depending upon the lighting system being replaced, can save up to 30 to 90 energy. 