Chokutanga pane zvose, pamusoro pe-high-precision brass tube ichaita chidziviriro chakaoma chekudzivirira, zvisinei kuti igirisi, makhahydrates, mabhakitiriya uye utachiona, mvura inokuvadza, okisijeni kana ultraviolet rays, haigoni kupfuura nayo, uye haigoni kusvibiswa kuti isvibise hutano hwemvura, uye zvipembenene zvinogona ...
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