Ko te papanga UD (Unidirectional) he momo muka kaha-teitei e tūhono ana ngā muka katoa ki te taha kotahi. Ka whakarārangihia kia rite ki te tauira whakawhiti (0° me te 90°) hei whakanui ake i te ātete ki ngā matā, me te pupuri i te mama o te koti.
Wā tuku: Mei-28-2025