Wannan iska siffofin: ba sauki tarin ƙura, juriya lalacewa, dace da fitar da iska cakuda dauke da itace shards, fiber da ƙura da sauransu. Hanyar motsawa, za a iya yin lantarki kai tsaye "A" irin motsawa da ƙafafun "C" irin juyawa bisa ga bukatun mai amfani; da kuma coupling "D" irin motsi. Hanyar kafofin watsa labarai zafin jiki ba ya wuce 80 ° C.