HAD50S

I le avea ai o se masini lagolago mo le kopa ma le alumini faʻamatalaga faʻaauau laina faʻapipiʻiina o le gaosiga, o le faʻapipiʻiina o le hydraulic drawing ma le masini faʻasaʻo e masani lava ona faʻaoga i le ata, faʻasaʻo ma faʻamaumau-umi tipi o paʻu saʻo apamemea, paʻu faʻapipiʻi, faʻamau ma isi faʻamatalaga. O le fa'asologa o ata e fa'aleleia lelei ai le ma'a'a, elasticity ma le malosi o fa'amatalaga, a'o fa'amalieina lo latou fa'apalepale, fa'asaga fa'ata'atia ma le lelei o luga.