He maha ngā hoahoa whakaiti haruru puta noa i te mīhini e whakarite ana i te haruru mahi≤72dB, e tutuki ana i ngā paerewa taiao. He pai mō ngā taiwhanga, ngā wheketere tukatuka kai, ngā awheawhe rongoā GMP, me ētahi atu wāhi he tino kaha ngā whakaritenga taiao.
0–100%whakatikatika kore-taahiraa, wā urupare<1 hēkona, he tino urutau ki ngā ahumahi e rerekē haere ana te hau pērā i te hanga waka, te kakahu, me ngā mīhini tākai, e whakarei ake ana i te ngāwari o te whakaputa.