JNCC nau'in roba reducer siffofin:

JNCC nau'in roba reducer ne ƙunshi da karfe farantin daya shugaba tare da dunƙule, daya shugaba tare da waya, tsakiyar silinda roba jiki, iya matsawa da tsawo, tare da sauki tsari, sauki shigarwa, mai juriya, acid alkali juriya, anti tsufa, zafin jiki juriya da sauran kayan aiki, yadu ake amfani da su a lantarki kayan aiki, kayan aiki, kayan aiki a cikin majalisar, kuma za a iya amfani da iska inji, ruwa famfo, sanyi ruwa na'urori da sauransu. An raba shi gaba ɗaya ta ƙarfe na sama da ƙasa, ba tare da ƙarin kayan haɗi ba don rage watsawa da gada mai sauti, shi ne mai amfani sosai, musamman don kayan aikin lantarki.

JNCC irin roba dampener girman tebur: