Umatshini wokwenza isitshixo we-SA-12HB

Iimpawu zokuSebenza:

Umatshini wokutshixa wasePittsburgh:
Umatshini wokwenza itshixa yenye yeemveliso zenqindi leshishini, esinokuthi ngalo sisebenze zonke iintlobo zeemilo ezahlukeneyo zefom yethambo, linokwanelisa zonke iintlobo zokuluma ipleyiti yamaza, ukudibanisa kunye nokuhlangabezana neemfuno zophondo, imodeli yendalo yonke inokuqiniswa ukusuka kwi-0.5 ukuya kwi-1.5 mm yephepha elivuthisiweyo, ishishini, linokuthi lenziwe ithambo lesiseko sesixhenxe, isiseko sezinto ezisixhe ukusetyenziswa kakuhle kwabathengi, ukuphucula ukusebenza kakuhle, uhlobo olulodwa, kunokuhlangabezana neemfuno ezikhethekileyo zabathengi.