Hāʻawi ʻo Weikai i nā pāpale kānana like ʻole, ua hana ʻia lākou me ka uea i ulana ʻia, ka metala i hoʻonui ʻia, ka mīkini metala perforated, etching plate mesh a i ʻole nā kānana hoʻohui. a loaʻa nā hiʻohiʻona o ka anti-abrasive a me ka anti-corrosive i ka papa hoʻokahi a me ka multilayer.