I kēia mau lā, hoʻohana nui ʻia ʻo PU / Half PU / PVC i ka ʻoihana ʻoihana, ʻoiai ʻaʻole ʻike kekahi o nā mea kūʻai aku pehea e ʻike ai i waena o lākou. I mea e kōkua pono ai i ka mea kūʻai aku e ʻike i ka ʻokoʻa ma waena o lākou, ʻānō e kamaʻilio e pili ana pehea e ʻike ai ma waena o PU / Half PU a me PVC. ...
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