Kusukela isilawuli sokuqala esihlelekayo (i-PC) yethulwa e-United States ngo-1969, sisetshenziswe kabanzi ekulawuleni izimboni.Eminyakeni yamuva nje, i-China iye ya ngokuya yamukela ukulawula kwe-PC ekulawuleni ugesi wemishini yenqubo ku-petroleum, amakhemikhali, imishini, imboni yokukhanya ...
Funda kabanzi