Hexagonal guardrail network maʻamau corrosion nalowale nā kumu kumu, i ke kinona, waihoʻoluʻu a me ka mechanical waiwai e hoʻololi, ka hopena i ka pono lako, pipeline leakage, etc., kiko'ī, ua oluolu e wawahi, lilo ka hana pale kumu.ʻO ka maʻamau, ʻekolu mau ʻohana ...
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