ʻO nā paipu Galvanized he nui nā mea hoʻohana, e like me ke kinoea, ka aila, kemika a me nā ʻoihana ʻoihana ʻē aʻe, a me nā puʻu paipu no nā alahaka trestle, a me nā paipu no ke kākoʻo ʻana i nā papa i loko o nā koʻu tunnels.Ua lawe ʻia aku ka Pipe Steel Galvanized ERW i New Zealand, me kēia papa inoa.Inā ...
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