Ngeziko elifanayo nebheri, indlela yokugijima yangaphandle eyenziwe ngesangqa inokwenza ulungelelwaniso lwayo. Izinto eziqengqelekayo zidibana ngokulandelelana neendlela zokugijima zeringi yangaphakathi kunye neringi yangaphandle. Iibheringi zinokuthwala umthwalo omkhulu we-radial, zilungele oomatshini abanzima abasetyenziswa kwimigodi, kwi-metallurgical, ekwenzeni amaphepha nakwimfundo, njl.njl., kushishino.
