Umphandle woluhlu lwedayimani uthatha i-arc shape, eyandisa ubukhulu bomgca wedayimane, oko kukuthi, indawo yokusebenza esebenzayo. Ukongeza, ubume bomda odibeneyo phakathi komgangatho wedayimani kunye nesamente ye-matrix ye-carbide ifanelekile ngakumbi kwiimfuno zangempela zomsebenzi, kwaye ukuxhathisa kwayo kunye nokuchasana kwempembelelo kuyaphuculwa.