1.ʻO nā waiwai pilikino maikaʻi loa
ʻO HDP Drainpipe ka mea i hana nuiʻia i mua o Poyhethylene, hiki ke hōʻoia i ka ikaika o ka paipa, akā ua loaʻa nā pale a me nā pale clux a me nā pale a me nā pale. He hana maikaʻi loa i ka pilina o ke melemele wela a ke hana nei i ka hoʻonohonohoʻana a me ka kūkuluʻana o ka paipa.

2.ʻOi aku ka maikaʻi o Corrosiote
In Wasbal Wahi, He kiʻekiʻe loa ka pae wai lalo, he pōkole nō ka hanaʻana i ka mikina.

3.ʻO ka paʻakikī maikaʻi a me ka maʻalahi
He paʻakikī kiʻekiʻeʻo HDPE, aʻo ka elongation ua nui ka hoʻomaha, no laila he nui ka palena o ka hoʻokaeʻana, a he kūpono hoʻi ka'ōnaehanaʻana.

4. Loaʻa ikaika ikaika ikaika
No ka mea,ʻo ka paia o ka paila a me ka pale a me ke kū'ēʻana, hiki iā ia ke hana i ka wai e holo wikiwiki a nui loa ke kahe. Ua hoʻohālikelikeʻia me nā pipes'ē aʻe, he ikaika loa ka hiki ke mālamaʻia a hiki ke mālamaʻia ke kumukūʻai.

5. E hana kūpono i kahi hana kūpono
ʻO ka mālamalama hypeʻo ia kaʻulaʻula a me ka mālamaʻana,ʻoi aku ka hoʻoponoponoʻana,ʻoi aku ka maikaʻi o ka pilina me ka wela nui.

6. E hōʻailona maikaʻi
Hiki i keʻano ke keʻano e hōʻoia i ka maikaʻi o ka hoʻopiliʻana,ʻike i ka hoʻohuiʻana o ka hui a me ka paipai o ka paila pono'ī,ʻoi aku ka palekana.

ʻO Chiangn mau mea i loaʻa i nā hanaʻike piha me nāʻano loiloi a pau e hōʻoia i nā mea hana e pono ai e hōʻoia i ka mana kūpono mai nā mea hana a pau i nā huahana a pau. Aia nā huahana i nā huahana me ISO4427 / 4437, astmd3035, en2201 / 455, e en, nā siss.