NEXP fa'asologa NEMA fa'ata'ita'iga mota o squirrel cage motors fa'aaoga fa'apitoa i nofoaga mata'utia. O lo'o fa'atupuina i le fa'aaogaina o tekonolosi fou fa'atuatuaina, mea fou ma faiga fou. O loʻo i ai a latou uiga o le tala fou, fausaga faʻapipiʻi, foliga matagofie, lelei le amataina o galuega, maualalo le pisa, maualalo le vibration, maualuga le puipuiga, saogalemu ma faʻatuatuaina galuega, ma isi.