Amasilinda emazweni ahlukahlukene e-Afrika
Ifomu nosayizi wamajoyi anezinwele ahambisana nemigomo ye-HG \ t20583-2011: Ukushiswa kwe-butt amalunga ama-butt du4, du25 noma i-du29; Ukushiswa kwamapayipi okuxhuma kanye namagobolondo amukela i-G4 (ukufudumeza okugcwele), kanye nokushiswa kwamapayipi okuxhuma ngokuqinisa izindandatho namagobolondo G29 (ukungena ngokuphelele); ukuphela kwepayipi lokuxhuma kanye negobolondo libunjiwe kahle (alikho amakhona abukhali); ipayipi elixhumayo ngaphandle kokuqiniswa okwengeziwe ngeke litholakale emgwaqweni we-welding lohlobo A no-B; Usayizi we-fillet we-weld ye-fillet uzoba mncane ubukhulu be-flange kufanele bubushelelezi, futhi ukuguqulwa kufanele kube bushelelezi; I-welding ye-flange kufanele ibe ngokuhambisana nezinhlinzeko ze-Flange ejwayelekile.