ʻO ka ʻūhū hōʻohiehao, ʻoi aku ke kaulana o ka wā kahiko, ka hana no ka hoʻokūkū pono ʻana i kahi kahe wai e ʻāʻī i kahi pale ma lalo o ke kahe nui e hoʻoneʻe i kahi ʻāwili, ʻoi aku kahi pae maʻa, hana i kahi papahele a hoʻoneʻe aku i nā mea hoʻohāʻī. Pane ka mīkini neone, hoʻokoe ʻia i loko o ka ea, a i ʻole ka ea centrifugal e hoʻohana ʻia no ke kōmū ʻana i ka ʻūlū o ka pahuhopu (i kapa ʻia ʻia ʻo ia ka mea hoʻolaha). Nui nā ʻano ʻē aʻe o ke kaʻina hana, e hoʻohana ai i nā ʻano ʻano like ʻole; aia kekahi mea i ka palaki nui, akā nāwaliwali kekahi. ʻO ka mea haki loa i pana ʻia (i pana ʻia ʻo metal) a me ke one (me ke one). Hoʻokomo ʻia nā ʻano pākēnē pono me nā wīwī aniani (me nā ʻōmole aniani) a me nā pākaha media me ke kīwila o ka ground-up a i nā ʻoni walnut a me nā ʻōkihi. ʻO kahi ʻōmaʻomaʻo iki ʻo ka sodablasting (me ka pākī palaoa). Eia kekahi, aia kahi mau pono e laka me ka laukē ʻole, e like me ke ʻano o ka hau a me ka uha.
ʻO ka piʻi hoʻonui nui no nā mea hana blas sand e hoʻokuʻi i ka mākeke. ʻO ka holomua ʻenehana, nā maʻi ʻula e like me ka silicosis ma muli o ka hana hōʻino wai a me ka hoʻomehana wikiwiki ʻana i nā mākeke koʻikoʻi no ka mākeke rumi mīkini ʻili. Hoʻolahalaha ka hana o ka hana manual i nā huahana a me ka hana. Ka hoʻopihapiha o ka silica, kahi mea i hana maʻamau ʻia ka waiwai hōʻino ma nā mīkini hoʻopuni piha o ke one, e hōʻeha i ka pilikia olakino e like me silicosis a me nā maʻi ʻeha ʻē aʻe. ʻO nā mea e ʻokiʻoki ana i ke one e pale i ka pilikia ʻana i kekahi pilikia o ka pūpū, kahi e manaʻo ʻia ai ka ulu ʻana o ka mākeke ulu. ʻO ka ʻenekea maulima mau ka ʻĀkia Hema ma ka mākeke no ka haʻahaʻa ʻana a me ka koi nui no kēia mau huahana. Ua wānana ʻia ʻo Kina ke lilo i mea kōkua nui no ka APAC. Noiia ka nui o nā mākeke mau mākeke kahiko no Europa, e piʻi e ʻĀpana ʻAmelika.
Nā hola mālama: Dec-12-2019