1. fausaga matagofie, voluma laiti, mamafa, maualuga malosi density ma torque density. 2.small minute o le inertia, maualuga maualuga, lautele lautele nofoaga lelei, faʻasaoina o le malosi. 3. lautele saoasaoa ma le saoasaoa tele, maualuga saoasaoa saʻo. 4.strong overload gafatia, lelei faʻavavevave faʻatinoga, malosi malosi aʻe. 5. maualuga puipuiga grade (IP67 / IP68), maualuga oloa tumau ma le faatuatuaina. 6. le faʻapipiʻiina faʻapipiʻi ma le faʻatinoga o afi e mafai ona faʻapipiʻiina e tusa ai ma manaoga o tagata faʻatau. 7.product lelei tumau, maualalo le pisapisao, vibration laitiiti, fetuutuunai maualuga siosiomaga, ola umi. 8. Aumai le malosi o manatu faaalia lelei (masani ≮ 10-15%)