Ikhawuntara yohlobo lwe-DC ye-PN sisisombululo esisodwa sovavanyo lokukhutshwa kobuchwephesha. Yenzelwe ngokukodwa ukuvavanya ubunzima be-particulate kunye namanani kwizikhululo zokuhlola kunye neebhentshi zokuvavanya injini. Imveliso iqulethwe ngezona zinzwa zokujonga i-particle eziphambili ngoku kwimarike, kwaye onke amacandelo kwi-counter ye-PN ahlanganiswe ndawonye ukuqinisekisa ukusebenza okuchanekileyo kweenzwa phantsi kwazo zonke iimeko.
Funda ngokugqithisileyoThumela uMbuzo