Ua loaʻa i nā panela copper composite ka mea kaulana loa i ka ʻoihana kūkulu ma muli o ko lākou kūpaʻa ahi kūʻokoʻa, ka lōʻihi, a me ka hoʻopiʻi nani. ʻO kēia mau paneli, i haku ʻia me kahi ʻāpana keleawe keleawe i waho, kahi mineral core, a me kahi papa o loko o ke alumini a i ʻole ke kila galvanized, hāʻawi i kahi ʻano kūʻokoʻa ...
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