I-steel staicase yenye yeendawo ezibalulekileyo njengoko ileli yokufikelela kwi-ScafFoldeng, exhaphakileyo esetyenziswa kwiinkqubo ezahlukeneyo ze-stafFold.
I-Hunan World Refener Sysest Steel Starses ye-StarFoldeng Ukusebenzisa, imigaqo-nkqubo ibonisa ezinye ngezantsi:
Izitepsi ezinamaqhosha angama-43mm shaoks zihlala zezakheka kwifreyimu esetyenziswayo, kunye ne-50mm ye-50mm ye-HOWSS zihlala zezinye iinkqubo zokusetyenziswa kweenkqubo ze-stafFold.
Ixesha lasemva: ngoFebruwari-19 ukuya kwi-1921