1. Le foliga mai o le matagofie ma le agalelei lautele faamaopoopo faamaopoopo
2. Fuselage, koluma tūsa'o, nofoa fa'ase'e o ta'iala rectangular uma, mautu lelei
3.Guide rail e ave otometi tineia, ofu maualuga tetee
4.Digital synchronous faʻaaliga, faʻaogaina ma saʻo, e mafai ona faʻaleleia le lelei o tau maualalo