ʻAʻole e like me nā liners keramika, hāʻawi nā papa chute CCO i kahi hui kaulike o ke kūpaʻa ʻana i ka abrasion a me ka maʻalahi o ka hoʻohui ʻana. ʻAʻole wale ka papa uhi e kū i ka ʻaʻahu paheʻe ikaika akā hoʻēmi pū kekahi i ke kau ʻana o nā mea a me ke kāpili ʻana i loko o ka chute.

Loaʻa kēia mau papa komo CCO i nā nui maʻamau, me nā ʻano piʻo a pālahalaha paha, a ma nā ʻano mākaukau e hoʻokomo, me nā hoʻolālā bolt-on a i ʻole nā ​​​​​​ʻākoakoa i hoʻopili mua ʻia.