Tala Fou o le Alamanuia
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Faʻavae faʻavae tomai o le vai o le sami
O le vevesi o le sami o le faʻagasologa o le faʻaliliuina o masima i totonu o masima, na ausia e ala i mataupu faavae nei: 1. Ret of Osmosis (RO) o le taimi nei o loʻo faʻaaogaina ai le au tekonolosi i le sami. O le faʻavae o le faʻaaogaina o uiga o le ...Faitau atili -
Siosiomaga aʻafiaga ma fua o le eletise eletise eletise
O le eletise eletise o loo gaosia e aofia ai le gaosiga o le kesi kesi, o le kesi hydrogeen, ma sodium hydroody, ma le malosi o otaota kesi. Ina ia faʻaitiitia ai nei le leaga i le ...Faitau atili -
Inu vai mai le sami
Climate change and the rapid development of global industry and agriculture have made the problem of lack of fresh water increasingly serious, and the supply of fresh water is becoming increasingly tense, so that some coastal cities are also seriously short of water. O le vai o le vai o le vai o le unp ...Faitau atili -
Sodium hypochlorite gaosia masini mo le puipuia covid-19
O faʻamaumauga lata mai na faʻamatuʻu mai ia i tatou nofoaga autu mo le faʻatonutonuga o faʻamaʻi, o mataupu o le 106,537 fou faʻamaonia mataupu na lipotia i le tele o le lalolagi i le lalolagi atoa. O faʻamaumauga e faʻaalia ai o le averesi numera ...Faitau atili