1. Teu 200 vaega o poloaiga, o le tagata-masini faʻaoga, o le faʻaaliga faʻaaliga faʻamatalaga e mafai ona maua i soʻo se taimi, suia, faʻaopoopo, faʻamalo.
2. Siamani KEB servo afi ta'avale pulea, maualuga-faatinoga synchronous servo afi afi.
3. Otioti masini faʻaaogaina faʻapipiʻi pito i luma fausaga lau uʻamea, mea faʻamaʻa olo oloina backlash-saoloto feaveaʻi, maualuga saʻo ma umi le ola.
4. Pa puipui o le u'amea lafo efuefu, malo, tete'e tete'e.