1. Faiga fagafao ma kilipa maneta
2. Ea malulu
3.reflective mamanu ma paʻu vaivai faauo
4.magnetic adsorption mamanu
5.Sandwich mesh ie mafanafana manava manava pa'u membrane ie susu susu, faigofie ona faamama maneta faamau faapitoa pateni mamanu vave tatala loka e faigofie ona ofuina