Dis bia keg , we na kɔntena we dɛn kin pak tin dɛn we dɛn mek wit ay barɛri aktiv matirial dɛn, de gi fayn fayn protɛkshɔn. I kin ebul fɔ blok di ɛksternal ɛya ɛn UV rayt dɛn fayn fayn wan, ɛn i kin mek di bia fresh fɔ lɔng tɛm. Ivin afta dɛn dɔn ful-ɔp am, as lɔng as i nɔ opin yet, di bia kin de na praymɛnt kɔndishɔn.