He rongoa rongoa noa, I muri i te maimoatanga aseptiki, ka whakatauhia te hongere i waenga i te uaua me te rongoa rongoa mo te whaowhia ki roto. Ko te tikanga e waru nga waahanga: te ngira werohanga, ngira werohanga ranei, potae tiaki ngira, ngongo whaowhia, tātari rongoa wai, rere. ture...
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