Hoʻohana Huahana
Me ka hana ʻana o nā polymers molecular kiʻekiʻe-polyvinyl chloride a me polyethylene, hoʻohana nui ʻia nā kiʻiʻoniʻoni plastik i ka mahiʻai.Ua lanakila ʻo Iapana a me ʻEulopa a me ʻAmelika i ka hoʻohana ʻana i nā kiʻiʻoniʻoni ʻōmaʻomaʻo e uhi i nā moena wela i nā makahiki 1950, a laila uhi ʻia nā hale liʻiliʻi a me nā hale ʻōmaʻomaʻo me nā hopena maikaʻi.ua hoʻokomo koʻu ʻāina i ka polyvinyl chloride mahiʻai kiʻiʻoniʻoni i ka hāʻule o 1955. Ua hoʻohana mua ʻia i loko o nā hale liʻiliʻi e uhi i nā mea kanu ma Beijing, kahi i loaʻa ai ka hopena o ka ulu mua a me ka hoʻonui ʻana.ʻO ka hale ʻōmaʻomaʻo he mea hana kūikawā no ka hana ʻana i nā mea kanu, a me ka hoʻomohala ʻana o ka hana ʻana, ua ʻoi aku ka nui o ka noi ʻana o ka hale ʻōmaʻomaʻo.I kēia manawa, hoʻohana ʻia ka hale ʻōmaʻomaʻo no ka mahi ʻana i nā pua i loko o ka ipuhao a me nā pua ʻokiʻoki;hoʻohana ʻia ka hana ʻana i nā lāʻau hua no ka mahi ʻana i nā hua waina, nā strawberries, nā melons, nā melons, nā peaches, a me nā ʻalani;hoʻohana ʻia ka hana ulu lāʻau no ka mahi ʻana i nā mea kanu lāʻau a me nā kumulāʻau nani;hoʻohana ʻia ka ʻoihana hānai no ka sericulture a me ka hoʻoulu ʻana.ʻO ka moa, ka pipi, ka puaʻa, ka iʻa a me ka palaʻai, etc.
