Izinhlobo zezitebhisi zekhebula ezivamile ziyehluka ngokusekelwe ezintweni kanye nokwakheka, ngayinye ibhekelela izimo ezithile zokusebenza. Izinto ezisetshenziswa kakhulu yinsimbi ejwayelekile ye-carbon structural i-Q235B, eyaziwa ngokufinyeleleka kwayo, ukufinyeleleka kwayo, ukusimama kwemishini, kanye nokwelashwa kwendawo okusebenzayo. H...
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