Ukusetyenziswa kwesityuli sempembelelo: inokuphatha ubude becala abukho ngaphezu kwe-500mm, zonke iintlobo zamandla acinezelayo angekho ngaphezulu kwe-350MPa, izinto ezirhabaxa nezicolekileyo (igranite, ilitye likalikalika, ikhonkrithi, njl.njl.) zisetyenziswa ngokubanzi kumbane, uhola wendlela, isanti eyenziweyo. ilitye, ukutyumza kunye namanye amashishini.Impembelelo...
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