ʻO nā panela pale he ʻelua mau mea (metal a me non-metal) i ʻokoʻa loa i ke ʻano.
Hoʻopaʻa ia i nā hiʻohiʻona nui o nā mea constituent kumu (metal aluminika, non-metal polyethylene plastic)
a lanakila i nā hemahema o nā mea kumu kumu. Loaʻa i nā waiwai waiwai maikaʻi loa,
e like me ka nani, ka hoʻonaninani kala, ka pale ʻana i ka wā, ka pale ʻana i ka corrosion, ke kū ʻana o ka hopena, ke kūpaʻa ahi, ka pale ʻana i ka wai,
ka hoʻopaʻa leo, ka wela wela, ka haʻalulu; ke kaumaha māmā, ka hana maʻalahi, ka maʻalahi a me ka hoʻokomo.
ʻO ka aniani aniani ACP luna a me lalo i hana ʻia me ka alumini-hōʻoia me ka mānoanoa ʻaʻole i emi ma lalo o 0.20 mm,
ʻaʻole emi ka mānoanoa a pau ma mua o 4 mm. ʻO ka uhi maʻamau he uhi fluorocarbon a i ʻole ka uhi polyester.
ʻO ka mea maʻamau, e hoʻohana ʻia nā Panels Sign i ka noi o ka hoʻololi kemika a me ka ʻenehana kiʻi ʻoniʻoni Henkel,
no laila ka pili ʻana ma waena o ka pena a me ka alumini-paʻa pā ʻano like ʻole a ʻokoʻa ke kala,
kahi e hiki ai iā ʻoe ke koho i kahi ākea nui a hōʻike i kāu pilikino.