He hoko tika mai i te wheketere o ngā pēhi hau tīwiri 8-10 Pae kounga teitei i ngā utu iti.

Ko te taumata haruru mahi whānui he ≤65dB, e tutuki ana i te tiwhikete haruru EU CE me ngā whakaritenga taiao o ngā wheketere hou. He pai mō ngā taiao tairongo haruru pēnei i ngā hōhipera, ngā taiwhanga, me ngā awheawhe taputapu tika.

Mā te whakamahi i tētahi pūnaha whakahaere PID taumata hōia, ka whakahaerehia ngā piki me ngā heke o te pēhanga i roto i te ±0.1bar, kia mau ai te mahi a ngā taputapu hau. He mea hanga motuhake mō ngā ahumahi hanga tino tika pērā i te takai haurua-ira me ngā taputapu hauora.