1. ʻO ka mea kūpono no ka sponge, ka lole, ka ʻili kanaka, ka lole i ulana ʻole ʻia, ka EVA, ka pahu pahu a me nā mea ʻē aʻe ma ka composite glue.
2. E uhaki i ke ʻano kuʻuna, ka hoʻohana ʻana i ke kiʻekiʻe wela o ke kāʻei kāʻei kūʻokoʻa, loaʻa nā mea maikaʻi o ka hoʻomaikaʻi ʻana i ka maikaʻi a me ka maikaʻi o nā huahana composite, e hōʻemi ana i ka nalowale, ka hana maʻalahi a me nā pono ʻē aʻe.