I-304 ipayipi yensimbi engenasici ngumbhobho osetyenziswa ngokubanzi kunye nokumelana nokugqwesa okugqwesileyo, ukumelana nobushushu, kunye nokumelana nokudinwa. Isetyenziswa kakhulu kushishino lweekhemikhali, i-petroleum, amayeza, oomatshini, i-aerospace, kunye namanye amasimi. 1. 304 umbhobho wentsimbi esemgangathweni ① imigangatho yamazwe ngamazwe...
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