Me ka hoʻomau mau ʻana o ka ʻoihana pahu pahu kala, ʻokoʻa nā mea ʻoihana, e like me ka corrugated hollow board, non-woven composite hollow board, sponge, PU foam, corrugated paper, cardboard, etc. He mau mea palupalu maʻamau kēia. Me ka hoʻonui mau ʻana o nā ʻano mea, ʻoi aku ka kiʻekiʻe o ka ʻoihana pahu pahu kala i nā koi kiʻekiʻe no ka ʻoki ʻana i nā mea. ʻAʻole hiki i ka ʻoki lima kuʻuna a i ʻole ke stamping ke hoʻokō i nā pono ʻoki like ʻole i kēia ʻoihana. ʻO ka hoʻokomo ʻana i nā mea hana kiʻekiʻe a me ka ʻimi ʻana i nā hoʻonā hou ua lilo i ʻoihana Imperative.