Smoke iska plug bawul ne wani plug bawul da aka keɓe don hayaki tsarin, hayaki iska plug bawul kamar yadda aka yi amfani da hayaki iska bututun, don haka yawanci matsin lamba ne sosai low, don haka yin plug bawul karfe farantin ne m, don haka yana da haske nauyi, samar da low farashi da sauran amfani, hayaki iska plug bawul za a ma raba a cikin murabba'in hayaki iska plug bawul da zagaye hayaki iska plug bawul bisa ga siffar bututun, babban diamita za a iya yi DN2800, kayan da carbon karfe da bakin karfe biyu.