Mipeni yathu ya tangential ili, kutengera mtundu, yoyenera ma tangential kudula ma module TCM-4 kuchokera ku tsamba la Ecocam.wedge woboola pakati 70 ° pazojambula zodulira nkhosa, zomverera, makatoni, mphira.Zida zodulira zidapangidwa ndi carbide yapamwamba kwambiri komanso yolimba ndipo imalola kudula ndendende ndi moyo wautali wa zida.