1. O le ala pa'u i lalo e mo ta'avale tracnsport, tama'i robots, fale teuteu fausaga, togalaau fa'ato'aga, ma isi.
2. Complete track undercarriage o loʻo i ai le ala uʻamea, fesoʻotaʻiga ala , taʻavale mulimuli, afi eletise, taʻavale, crossbeam.
3.E mafai ona fa'atauina le malosi mai le 0.5T i le 5T.
4.E mafai ona matou tuʻuina atu uma le paʻu ala paʻu undercarriage ma uʻamea ala undercarriage.
5.E mafai ona matou fautuaina ma faʻapipiʻi le afi talafeagai & masini taʻavale mo tagata faʻatau.