SHANVIM e tuʻuina atu lau auvae e faia i le uʻamea manganese, lea e talafeagai mo faʻamaʻi auvae eseese i le lalolagi atoa. Tuuina atu vaega ma lagolago faʻapitoa mo le laʻuina, faʻapipiʻi, ma le toe faʻaaogaina o alamanuia aftermarket.
