A: Ama-alamu ethu omusi asebenzisa i-diode ekhipha i-infrared ethuthukisiwe (i-IR LED), eyaziwa ngokubona ngokushesha imililo evuthayo kanye nokunciphisa i-alamu yamanga. Ama-alamu ethu e-CO asebenzisa izinzwa ze-electrochemical ezinembile ukuze kutholakale i-carbon monoxide ethembekile.














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