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Va'aiga lautele o le atina'e ma uiga ole vacuum circuit breaker
[Vaaiga lautele o le atinaʻeina ma uiga o le vacuum circuit breaker]: vacuum circuit breaker e faasino i le vacuum breaker e tapunia ana fesoʻotaʻiga ma tatala ile vacuum.O vacuum circuit breakers na suʻesuʻeina muamua e le United Kingdom ma le Iunaite Setete, ona faʻatupuina lea i Iapani ...Faitau atili