1. Izinto zomzimba: Insimbi engu-304 engenasici, i-carbon yensimbi; Izinto zokuhambisa ipuleti engu-304 # Amamodeli ahlukahlukene amakhasimende ukukhetha.
2. Ukudlulisela ukuphakama nobubanzi be-tray kungenziwa ngezifiso ngokuya ngemidwebo yekhasimende noma izinto zokwakha kanye nokudlulisela izidingo.