Ko te haumaru me te haumaru te mea nui i roto i te ao tere o enei ra.Ahakoa i te waahi whanui, i te waahi mahi, i tetahi atu taiao ranei, he mea nui te whai punaha korero pono hei whakarite i te oranga whaiaro.Ningbo Joiwo wheketere kei Yuyao City, Zhejiang Province, e mohio ana ki tenei hiahia me te whakarato i te haumarutanga me te
waea haumarunga otinga korero.Ko enei momo punaha kei te tito
waea ararewapūnaha,
waea horoi rumapūnaha,
waea puteapūnaha, pūnaha waea hōhipera, pūnaha waea intercom, etc.