Iiflene zensimbi zibonelela ngokufikelela ngokulula ekucoceni, ukuhlola okanye ukulungiswa. Zihlala zingena kwimilo ejikelezayo kodwa zinokuza ngesikwere nakwiifom zoxande. I-flanges idityaniswe omnye komnye ngokuhlamba kwaye yajoyina inkqubo yokufaka i-welding okanye intambo kwaye yenzelwe imilinganiselo yovavanyo oluthile; I-150lb, i-300lb, 400lb, i-600lb, i-900lb, i-1500lb kunye ne-2500lb.
I-Internel 625 yaphuhliswa ngo-1960s ukwenza umbandela onokusetyenziswa kwimibhobho ye-Steam. Olunye uhlengahlengiso lwenziwe ukuba lube kwimeko yalo yoqobo ukuze ikwazi ukumelana nokunganyangeki kwaye ingabakwa.