Izinto zokusika: Ukusaha okubandayo kwensimbi eyomile kulungele ukucubungula insimbi ye-alloy ephansi, insimbi yensimbi ephakathi nephansi, insimbi ecijile, insimbi yesakhiwo nezinye izingxenye zensimbi ezinobunzima obungaphansi kwe-HRC40, ikakhulukazi izingxenye zensimbi eziguquliwe.
Isibonelo, insimbi eyindilinga, insimbi ye-engeli, insimbi ye-engeli, insimbi yesiteshi, ishubhu eyisikwele, i-I-beam, i-aluminium, ipayipi lensimbi engagqwali (uma kusikwa ipayipi lensimbi engagqwali, ishidi lensimbi ekhethekile kufanele lishintshwe)